Never take the advice of someone who has not had your kind of trouble.

No one should pay attention to a man delivering a lecture or a sermon on his "philosophy of life" until we know exactly how he treats his wife, his children, his neighbors, his friends, his subordinates and his enemies.

Good teaching must be slow enough so that it is not confusing, and fast enough so that it is not boring.

Enemies, as well as lovers, come to resemble each other over a period of time.

It's odd, and a little unsettling, to reflect upon the fact that English is the only major language in which "I" is capitalized; in many other languages "You" is capitalized and the "i" is lower case." --

We can often endure an extra pound of pain far more easily than we can suffer the withdrawal of an ounce of accustomed pleasure.

Making out an invitation list for a party brings out the worst in everyone. It is then that our most ruthless estimates of the people we know come into play.