Never soar aloft on an enemy's pinions.

Never soar aloft on an enemy's pinions.

...one of the tests of a theory is that, once grasped, it appears self-evident.

...one of the tests of a theory is that, once grasped, it appears self-evident.

I find it valid to understand man as an animal before I am prepared to know him as a man.

I find it valid to understand man as an animal before I am prepared to know him as a man.

The best way to turn a woman's head is to tell her she has a beautiful profile.

The best way to turn a woman's head is to tell her she has a beautiful profile.

The supreme irony of life is that no one gets out of it alive.

The supreme irony of life is that no one gets out of it alive.

There is no such thing as truth.

There is no such thing as truth.

Society is like air; very high up, it is sublimated--too low down, a perfect choke-damp.

Society is like air; very high up, it is sublimated--too low down, a perfect choke-damp.

In most instances, all an argument proves is that two people are present.

In most instances, all an argument proves is that two people are present.

The trouble with the rat race is that even if you win, you're still a rat.

The trouble with the rat race is that even if you win, you're still a rat.