Yet each man kills the thing he loves By each let this be heard Some do it with a bitter look Some with a flattering word The coward does it with a kiss The brave man with a sword
We have come out of the time when obedience, the acceptance of discipline, intelligent courage and resolution were most important, into that more difficult time when it is a man's duty to understand his world rather than simply fight for it.
Enlightenment is man's emergence from his self-imposed nonage. Nonage is the inability to use one's own understanding without another's guidance. This nonage is self-imposed if its cause lies not in lack of understanding but in indecision and lack of courage to use one's own mind without another's guidance. Dare to know!
It is plain that there is no separate essence called courage, no cup or cell in the brain, no vessel in the heart containing drops or atoms that make or give this virtue; but it is the right or healthy state of every man, when he is free to do that which is constitutional to him to do.