A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator, the smaller the fraction.
Real wisdom is not the knowledge of everything, but the knowledge of which things in life are necessary, which are less necessary, and which are completely unnecessary to know.
A man on a thousand mile walk has to forget his goal and say to himself every morning, ‘Today I’m going to cover twenty-five miles and then rest up and sleep.
