Fix reason firmly in her seat, and call to her tribunal every fact, every opinion. Question with boldness even the existence of a God because, if there be one, he must more approve of the homage of reason, than that of blindfolded fear.

I have no fear that the result of our experiment will be that men may be trusted to govern themselves without a master.

There is not a truth existing which I fear... or would wish unknown to the whole world.

My only fear is that I may live too long. This would be a subject of dread to me.

Leave all the afternoon for exercise and recreation, which are as necessary as reading. I will rather say more necessary because health is worth more than learning.

Walking is the best possible exercise. Habituate yourself to walk very fast.

Our greatest happiness does not depend on the condition of life in which chance has placed us, but is always the result of a good conscience, good health, occupation, and freedom in all just pursuits.

But friendship is precious, not only in the shade, but in the sunshine of life, and thanks to a benevolent arrangement the greater part of life is sunshine.

Peace and friendship with all mankind is our wisest policy, and I wish we may be permitted to pursue it.

Friendship is but another name for an alliance with the follies and the misfortunes of others. Our own share of miseries is sufficient: why enter then as volunteers into those of another?