When you can't make them see the light, make them feel the heat.
All crime is a kind of disease and should be treated as such.
Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.
To argue with a person who has renounced the use of reason is like administering medicine to the dead.
The man of knowledge must be able not only to love his enemies but also to hate his friends.
One good schoolmaster is of more use than a hundred priests.
Wisdom, compassion, and courage are the three universally recognized moral qualities of man.
If we open a quarrel between the past and the present, we shall find that we have lost the future.
Egoism is the very essence of a noble soul.
All faults may be forgiven of him who has perfect candor.
Disneyland is the star, everything else is in the supporting role.
No problem can withstand the assault of sustained thinking.
Women. They are a complete mystery to me.
Give every man thy ear, but few thy voice.
It has come to pass that the longest sword must decide the contest.
Never in the field of human conflict was so much owed by so many to so few.
I can look at a fine art photograph and sometimes I can hear music.
There must be a day or two in a man’s life when he is the precise age for something important.
I never forget a face, but in your case I'll be glad to make an exception.
Next time I see you, remind me not to talk to you.
Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.
Sex without love is as hollow and ridiculous as love without sex.
The true teacher defends his pupils against his own personal influence.
We build too many walls and not enough bridges.