Experience without theory is blind, but theory without experience is mere intellectual play.

The keenest sorrow is to recognize ourselves as the sole cause of all our adversities.

Genius is one percent inspiration and ninety-nine percent perspiration.

A lot of people don't realize that depression is an illness. I don't wish it on anyone, but if they would know how it feels, I swear they would think twice before they just shrug it.

Dress shabbily and they remember the dress; dress impeccably and they remember the woman.

I'm not afraid of dying I just don't want to be there when it happens.

A book is a mirror: if an ape looks into it an apostle is hardly likely to look out.

A moral being is one who is capable of reflecting on his past actions and their motives - of approving of some and disapproving of others

When one door is closed, don't you know that many more are open

I've learned that you shouldn't go through life with a catcher's mitt on both hands; you need to be able to throw something back.

Boards don't hit back.

The paranoid is never entirely mistaken.

The future belongs to those who believe in the beauty of their dreams.

You will always be fond of me. I represent to you all the sins you never had the courage to commit.

I just want to retire before I go senile because if I don't retire before I go senile, then I'll do more damage than good at that point.

I've been looking for a girl like you - not you, but a girl like you.

Pain is inevitable. Suffering is optional.

Do it again on the next verse, and people think you meant it.

Worry is the interest paid by those who borrow trouble.

Since it is difficult to join them together, it is safer to be feared than to be loved when one of the two must be lacking.

What do you despise? By this are you truly known.