He was a cynic and like most cynics, totally selfish and self-indulgent.

Man, at least when educated, is a pessimist. He believes it safer not to reflect on his achievements; Jove is known to strike such people down.

The man who is a pessimist before 48 knows too much; if he is an optimist after it he knows too little.

A pessimist is somebody who complains about the noise when opportunity knocks.

A man with no philosophy in him is the most inauspicious and unprofitable of all possible social mates.

The most hopelessly stupid man is he who is not aware he is wise.

He was a dreamer, a thinker, a speculative philosopher... or, as his wife would have it, an idiot.

[T]he worst kind of nihilist — the kind who isn't even aware he's a nihilist.

Ah, ladies and gentlemen, a man lives a sad life when he cannot take anything or anyone seriously.

We’re descended from pessimists

A man who does not think for himself does not think at all.

A man devoid of hope and conscious of being so has ceased to belong to the future.

He was distinguished for ignorance; for he had only one idea, and that was wrong.

The trouble with him was that he was without imagination.