"If you treat an individual as he is, he will remain as he is. But if you treat him as if he were what he ought to be and could be, he will become what he ought to be and could be."

"The greatest evil is not done by evil people, but by good people who stand by and do nothing."

"The human race is a monotonous affair."

"The true man of science is he who gives importance to the little, because he sees the greatness of the great in it."

"Every step of life shows much caution is required."