Freedom is that faculty that enlarges the usefulness of all other faculties.
In the mere concept of one thing it cannot be found any character of its existence.
The light dove, cleaving the air in her free flight, and feeling its resistance, might imagine that its flight would be still easier in empty space.
You only know me as you see me, not as I actually am
The business of philosophy is not to give rules, but to analyze the private judgments of common reason.
If we knew that god exists, such knowledge would make morality impossible. For, if we acted morally from fear or fright, or confident of a reward, then this would not be moral. It would be enlightened selfishness.