All the intelligence in the world is useless to the one who has none.

Many much-learned men have no intelligence.

A man who has the knowledge but lacks the power clearly to express it is no better off than if he never had any ideas at all.

Intelligence did not figure largely in anything he did and was often conspicuously absent.

The man who has no sense of history, is like a man who has no ears or eyes

A man without words is a man without thought.

The man who has no imagination,has no wing

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

The ignorant man is an ox. He grows in size, not in wisdom.

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

He who will not use the thoughts of other men's brains proves that he has no brains of his own.

What they, in their innocence, cannot comprehend is that a properly constituted, healthy, decent man never writes, acts, or composes.

A man of knowledge has no honor, no dignity, no family, no name, no country...

Man is equally incapable of seeing the nothingness from which he emerges and the infinity in which he is engulfed.