"The Mathematical Theory of the Top" (April 8, 1898)
Context: Mathematicians will do well to observe that a reasonable acquaintance with theoretical physics at its present stage of development, to mention only such broad subjects as electricity, elastics, hydrodynamics, etc., is as much as most of us can keep permanently assimilated. It should also be remembered that the step from the formal elegance of theory to the brute arithmetic of the special case is always humiliating, and that this labor usually falls to the lot of the physicist.
“I do not write for mathematicians, nor as a mathematician, but as an economist”
Preface To The Second Edition, p. 7.
The Theory of Political Economy (1871)
Context: In short, I do not write for mathematicians, nor as a mathematician, but as an economist wishing to convince other economists that their science can only be satisfactorily treated on an explicitly mathematical basis.
Lecture II : The Universal Categories, § 2 : Struggle, CP 5.53
Pragmatism and Pragmaticism (1903)
“Do you decide to observe? Or do you merely observe?”
5th Public Talk Saanen (26th July 1970); also in "Fear and Pleasure", The Collected Works, Vol. X
1970s
Context: Do you decide to observe? Or do you merely observe? Do you decide and say, "I am going to observe and learn"? For then there is the question: "Who is deciding?" Is it will that says, "I must"? And when it fails, it chastises itself further and says, "I must, must, must"; in that there is conflict; therefore the state of mind that has decided to observe is not observation at all. You are walking down the road, somebody passes you by, you observe and you may say to yourself, "How ugly he is; how he smells; I wish he would not do this or that". You are aware of your responses to that passer-by, you are aware that you are judging, condemning or justifying; you are observing. You do not say, "I must not judge, I must not justify". In being aware of your responses, there is no decision at all. You see somebody who insulted you yesterday. Immediately all your hackles are up, you become nervous or anxious, you begin to dislike; be aware of your dislike, be aware of all that, do not "decide" to be aware. Observe, and in that observation there is neither the "observer" nor the "observed" — there is only observation taking place. The "observer" exists only when you accumulate in the observation; when you say, "He is my friend because he has flattered me", or, "He is not my friend, because he has said something ugly about me, or something true which I do not like." That is accumulation through observation and that accumulation is the observer. When you observe without accumulation, then there is no judgement.
As quoted in the essay "To Albert Einstein's Seventieth Birthday" by Arnold Sommerfeld, Albert Einstein : Philosopher-Scientist http://www.worldcat.org/title/albert-einstein-philosopher-scientist/oclc/311439 (1949) edited by Paul A. Schilpp (p. 102). The essay, originally published as "Zum Siebzigsten Geburtstag Albert Einsteins" in Deutsche Beiträge (Eine Zweimonatsschrift) http://www.worldcat.org/title/deutsche-beitrage-eine-zweimonatsschrift/oclc/183334232 Vol. III, No 2, 1949, was translated specifically for the book by Schilpp.
1940s
Variant: Since others have explained my theory, I can no longer understand it myself.
Source: Beyond This Horizon (1948; originally serialized in 1942), Chapter 4, “Boy meets Girl”, p. 45
Bennis Warren and Burt Nanus (1985) Leaders: The Strategies for Taking Charge. Harper and Row. p. 21
1980s
are not a dispensable luxury, but a crucial matter that decides between success and failure?
1980s
Source: EWD648.
