The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

I am not now That which I have been.

Those who restrain desire do so because theirs is weak enough to be restrained.

You always admire what you really don't understand.

Courage is being scared to death... and saddling up anyway.

I don't do drugs, I am drugs

It's better to be unhappy alone than unhappy with someone.

When you get to a certain age, there is no coming back.

A scientific man ought to have no wishes, no affections, - a mere heart of stone.

The more you like yourself, the less you are like anyone else, which makes you unique.

All is disgust when a man leaves his own nature and does what is unfit.

A difference of opinion is what makes horse racing and missionaries.

If the world was perfect, it wouldn't be.

I do not argue with obstinate men. I act in spite of them.

External nature is only internal nature writ large.

New opinions are always suspected, and usually opposed, without any other reason but because they are not common.

I am not ashamed to confess that I am ignorant of what I do not know.

I have noticed that nothing I have never said ever did me any harm.

You don't have to be the Dalai Lama to tell people that life's about change.

You can't deny laughter; when it comes, it plops down in your favorite chair and stays as long as it wants.

There is more to sex appeal than just measurements. I don't need a bedroom to prove my womanliness. I can convey just as much sex appeal, picking apples off a tree or standing in the rain.