“Remember, that though life is short, Thought and the influences of what we do or say, are immortal; and that no calculus has yet pretended to ascertain the law of proportion between cause and effect.”

Preface of M. Quetelet
A Treatise on Man and the Development of His Faculties (1842)
Context: From the examination of numbers, I believed myself justified in inferring, as a natural consequence, that, in given circumstances, and the influence of the same causes, we may reckon upon witnessing the repetition of the same effects, reproduction of the same crimes, and the same convictions. What has resulted from this exposition? Timorous persons have raised the cry of fatalism. If, however, some one said, "Man is born free; nothing force his free-will; he underlies the influence of external causes; cease to assimilate him to a machine, or to pretend to modify his actions. Therefore, ye legislators, repeal your laws; overturn your prisons; break your chains in pieces; your convictions penalties are of no avail; they are so many acts barbarous revenge. Ye philosophers and priests, speak no more of ameliorations, social or religious; you are materialists, because you assume to society like a piece of gross clay; you are fatalists, because you believe yourselves predestined to influence man in the exercise of his free-will, and to the course of his actions." If, I say, any one held such language to us, we should be disgusted with its excessive folly. And wherefore? Because we are thoroughly convinced that laws, education, and religion exercise a salutary influence on society, and that moral causes have their certain effects.

Source: The State of the World 2010, public lecture in New York City, USA, (July 2010)

Elton Mayo, “Irrationalty and Revery”, Journal of Personnel Research, March 1933, p.482; Cited in: Ionescu, G.G., & A.L. Negrusa. "Elton Mayo, an Enthusiastical Managerial Philosopher." Revista de Management Comparat International 14.5 (2013): 671.

Source: Life, the Truth, and Being Free (2010), p. 64

Source: The Road

introduction to De Curvis Elasticis, Additamentum I to his Methodus Inveniendi Lineas Curvas Maximi Minimive Proprietate Gaudentes 1744; translated on pg10-11, "Leonhard Euler's Elastic Curves" https://www.dropbox.com/s/o09w82abgtftpfr/1933-oldfather.pdf, Oldfather et al 1933
Context: All the greatest mathematicians have long since recognized that the method presented in this book is not only extremely useful in analysis, but that it also contributes greatly to the solution of physical problems. For since the fabric of the universe is most perfect, and is the work of a most wise Creator, nothing whatsoever takes place in the universe in which some relation of maximum and minimum does not appear. Wherefore there is absolutely no doubt that every effect in the universe can be explained as satisfactorily from final causes, by the aid of the method of maxima and minima, as it can from the effective causes themselves. Now there exist on every hand such notable instances of this fact, that, in order to prove its truth, we have no need at all of a number of examples; nay rather one's task should be this, namely, in any field of Natural Science whatsoever to study that quantity which takes on a maximum or a minimum value, an occupation that seems to belong to philosophy rather than to mathematics. Since, therefore, two methods of studying effects in Nature lie open to us, one by means of effective causes, which is commonly called the direct method, the other by means of final causes, the mathematician uses each with equal success. Of course, when the effective causes are too obscure, but the final causes are more readily ascertained, the problem is commonly solved by the indirect method; on the contrary, however, the direct method is employed whenever it is possible to determine the effect from the effective causes. But one ought to make a special effort to see that both ways of approach to the solution of the problem be laid open; for thus not only is one solution greatly strengthened by the other, but, more than that, from the agreement between the two solutions we secure the very highest satisfaction.

Source: Attributed in posthumous publications, Einstein and the Poet (1983), p. 59
Context: Electromagnetic fields are not of the mind... Creation may be spiritual in origin, but that doesn't mean that everything created is spiritual. How can I explain such things to you? Let us accept the world is a mystery. Nature is neither solely material nor entirely spiritual. Man, too, is more than flesh and blood; otherwise, no religions would have been possible. Behind each cause is still another cause; the end or the beginning of all causes has yet to be found. Behind each cause is still another cause; the end or the beginning of all causes has yet to be found. Yet, only one thing must be remembered: there is no effect without a cause, and there is no lawlessness in creation".

God in Action: How Faith in God Can Address the Challenges of the World (2011) Ch. 3 "Personal Freedom in American Culture: We Can't Act If God Can't," pp. 72-73.

Interview in Alien Critic (August 1973)