Life's objective is life itself.

The mind is found most acute and most uneasy in the morning. Uneasiness is, indeed, a species of sagacity - a passive sagacity. Fools are never uneasy.

Man can only endure a certain degree of unhappiness; what is beyond that either annihilates him or passes by him and leaves him apathetic

I was oppressed with the sensations I then felt; I sunk under the weight of them.

Yet here I stand poor fool what more, not one wit wiser than before.

The most damaging prejudice consists of banning any kind of investigation of nature.

Tolerance should really be only a temporary attitude; it must lead to recognition. To tolerate means to offend.