Space and time are the framework within which the mind is constrained to construct its experience of reality.

Freedom in the practical sense is the independence of the power of choice from necessitation by impulses of sensibility

If a man is often the subject of conversation he soon becomes the subject of criticism.

I am an investigator by inclination. I feel a great thirst for knowledge.

No state at war with another state should engage in hostilities of such a kind as to render mutual confidence impossible when peace will have been made.

Freedom is the alone unoriginated birthright of man, and belongs to him by force of his humanity; and is independence on the will and co-action of every other in so far as this consists with every other person's freedom.

Suicide is not abominable because God prohibits it; God prohibits it because it is abominable.