Whatsoever is contrary to nature is contrary to reason, and whatsoever is contrary to reason is absurd.

The human mind cannot be absolutely destroyed along with the body, but something of it remains, which is eternal.

Things which are accidentally the causes either of hope or fear are called good or evil omens.

The more you struggle to live, the less you live. Give up the notion that you must be sure of what you are doing. Instead, surrender to what is real within you, for that alone is sure....you are above everything distressing.

The more a government strives to curtail freedom of speech, the more obstinately is it resisted; not indeed by the avaricious, ... but by those whom good education, sound morality, and virtue have rendered more free.

There is no hope unmingled with fear, and no fear unmingled with hope.

Nothing comes to pass in nature, which can be set down to a flaw therein; for nature is always the same, and everywhere one and the same in her efficacy and power of action: that is, nature's laws and ordinances, whereby all things come to pass and change from one form to another, are everywhere and always the same; so that there should be one and the same method of understanding the nature of all things whatsoever, namely, through nature's universal laws and rules.