"Never think that you already know all. However highly you are appraised, always have the courage to say to yourself-I am ignorant."
"Perfect as the wing of a bird may be, it will never enable the bird to fly if unsupported by the air. Facts are the air of science. Without them a man of science can never rise."
109 likes
Source: Bequest to the Academic Youth of Soviet Russia, 27 February (1936)
About the author