There is a natural tendency in sects to narrow the mind

Those who aim at faultless regularity will only produce mediocrity, and no one ever approaches perfection except by stealth, and unknown to themselves.

We do not see nature with our eyes, but with our understandings and our hearts.

Look up, laugh loud, talk big, keep the colour in your cheek and the fire in your eye, adorn your person, maintain your health, your beauty, and your animal spirits, and you will pass for a fine man.

The slaves of power mind the cause they have to serve, because their own interest is concerned; but the friends of liberty always sacrifice their cause, which is only the cause of humanity, to their own spleen, vanity, and self-opinion.

You know more of a road by having travelled it than by all the conjectures and descriptions in the world.

Do not keep on with a mockery of friendship after the substance is gone — but part, while you can part friends. Bury the carcass of friendship: it is not worth embalming.