The greatest friend of truth is Time, her greatest enemy is Prejudice, and her constant companion is Humility.

We submit to the society of those that can inform us, but we seek the society of those whom we can inform. And men of genius ought not to be chagrined if they see themselves neglected. For when we communicate knowledge, we are raised in our own estimation; but when we receive it, we are lowered.

Truth can hardly be expected to adapt herself to the crooked policy and wily sinuosities of worldly affairs; for truth, like light, travels only in straight lines.

A harmless hilarity and a buoyant cheerfulness are not infrequent concomitants of genius; and we are never more deceived than when we mistake gravity for greatness, solemnity for science, and pomposity for erudition.

There are some frauds so well conducted that it would be stupidity not to be deceived by them.

When you have nothing to say, say nothing; a weak defense strengthens your opponent, and silence is less injurious than a bad reply.

There are two way of establishing a reputation, one to be praised by honest people and the other to be accused by rogues. It is best, however, to secure the first one, because it will always be accompanied by the latter.