Melancholy characterizes those with a superb sense of the sublime.
In the mere concept of one thing it cannot be found any character of its existence.
The inscrutable wisdom through which we exist is not less worthy of veneration in respect to what it denies us than in respect to what it has granted.
Dare to know! Have the courage to use your own intelligence!
Do what is right, though the world may perish.
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.