knowledge
“There is but one coward on earth, and that is the coward that dare not know.”
“It is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.”
“My name is Sherlock Holmes. It is my business to know what other people don't know.”
“I never saw a Moor — I never saw the Sea; yet know I how the Heather looks, and what a Wave must be.”
“No more useful inquiry can be proposed than that which seeks to determine the nature and the scope of human knowledge.”
“So blind is the curiosity by which mortals are possessed, that they often conduct their minds along unexplored routes.”
“You could give Aristotle a tutorial and still he would not understand, not in a million years, the basics of modern physics.”
“As a general rule the most successful man in life is the man who has the best information.”
“Learn that which is already known to others, and then by the light and methods which belong to science … learn for ourselves and for others.”
“There are more ideas on earth than intellectuals imagine.”
“Knowledge is not made for understanding; it is made for cutting.”
“Analogies, it is true, decide nothing, but they can make one feel more at home.”
“Plot is observed after the fact rather than before.”
“Connoisseur, n. A specialist who knows everything about something and nothing about anything else.”
“Brain, n. An apparatus with which we think what we think.”
“Give me a place to stand, and I shall move the earth.”
“Books ... hold within them the gathered wisdom of humanity, the collected knowledge of the world's thinkers, the amusement and excitement built up by the imaginations of brilliant people.”
“The history of science is full of revolutionary advances that required small insights that anyone might have had, but that, in fact, only one person did.”
“Self-education is, I firmly believe, the only kind of education there is.”
“There are two things which cannot be attacked in front: ignorance and narrow-mindedness.”