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.

Act so as to use humanity, yourself and others, always as an end and never as a means to an end.

Religion is the recognition of all our duties as divine commands.

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

All perception is colored by emotion.

Time is not an empirical concept. For neither co-existence nor succession would be perceived by us, if the representation of time did not exist as a foundation a priori.

Without man and his potential for moral progress, the whole of reality would be a mere wilderness, a thing in vain, and have no final purpose.