“New scientific ideas never spring from a communal body, however organized, but rather from the head of an individually inspired researcher who struggles with his problems in lonely thought and unites all his thought on one single point which is his whole world for the moment.”

Gesammelte Mathematische Werke (1876)

The scientific work of Georges Lemaître (1968), P.A.M. Dirac, Commentarii (Pontifical Academy of Sciences), vol 2, 11, pp. 1–18.

Source: An Autobiography (1883), Ch. 10

Source: The Structure of Scientific Revolutions (1962), IV. Normal Science as Puzzle-solving, p. 38.

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 59.

Nobel Lecture http://nobelprize.org/nobel_prizes/medicine/laureates/2002/brenner-lecture.pdf, Sydney Brenner, The Nobel Prize in Physiology or Medicine, 2002

"Einstein's Reply to Criticisms" (1949), The World As I See It (1949)
Context: When we survey our lives and endeavors we soon observe that almost the whole of our actions and desires are bound up with the existence of other human beings. We see that our whole nature resembles that of the social animals. We eat food that others have grown, wear clothes that others have made, live in houses that others have built. The greater part of our knowledge and beliefs has been communicated to us by other people through the medium of a language which others have created. Without language our mental capacities would be poor indeed, comparable to those of the higher animals; we have, therefore, to admit that we owe our principal advantage over the beasts to the fact of living in human society. The individual, if left alone from birth would remain primitive and beast-like in his thoughts and feelings to a degree that we can hardly conceive. The individual is what he is and has the significance that he has not so much in virtue of his individuality, but rather as a member of a great human society, which directs his material and spiritual existence from the cradle to the grave.

Japan, the Beautiful and Myself (1969)
Context: The Zen disciple sits for long hours silent and motionless, with his eyes closed. Presently he enters a state of impassivity, free from all ideas and all thoughts. He departs from the self and enters the realm of nothingness. This is not the nothingness or the emptiness of the West. It is rather the reverse, a universe of the spirit in which everything communicates freely with everything, transcending bounds, limitless. There are of course masters of Zen, and the disciple is brought toward enlightenment by exchanging questions and answers with his master, and he studies the scriptures. The disciple must, however, always be lord of his own thoughts, and must attain enlightenment through his own efforts. And the emphasis is less upon reason and argument than upon intuition, immediate feeling. Enlightenment comes not from teaching but through the eye awakened inwardly. Truth is in "the discarding of words", it lies "outside words". And so we have the extreme of "silence like thunder", in the Vimalakirti Nirdesa Sutra.

Henri Poincaré, Critic of Crisis: Reflections on His Universe of Discourse (1954), Ch. 2. The Age of Innocence