The enjoyment of power inevitably corrupts the judgment of reason, and perverts its liberty.

For peace to reign on Earth, humans must evolve into new beings who have learned to see the whole first.

Man desired concord; but nature knows better what is good for his species; she desires discord. Man wants to live easy and content; but nature compels him to leave ease... and throw himself into roils and labors.

In all judgements by which we describe anything as beautiful, we allow no one to be of another opinion.

This can never become popular, and, indeed, has no occasion to be so; for fine-spun arguments in favour of useful truths make just as little impression on the public mind as the equally subtle objections brought against these truths. On the other hand, since both inevitably force themselves on every man who rises to the height of speculation, it becomes the manifest duty of the schools to enter upon a thorough investigation of the rights of speculative reason, and thus to prevent the scandal which metaphysical controversies are sure, sooner or later, to cause even to the masses.

But although all our knowledge begins with experience, it does not follow that it arises from experience.

Sincerity is the indispensable ground of all conscientiousness, and by consequence of all heartfelt religion.