War then, is a relation - not between man and man but between state and state and individuals are enemies only accidentally not as men, nor even as citizens but as soldiers not as members of their country, but as its defenders

One thinks himself the master of others, and still remains a greater slave than they.

Abstract truth is the eye of reason.

Sacrifice life to truth.

Posterity is always just.

I feel an indescribable ecstasy and delirium in melting, as it were, into the system of being, in identifying myself with the whole of nature.

General abstract truth is the most precious of all blessings; without it, man is blind; it is the eye of reason.