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!
The beauty of the soul shines out when a man bears with composure one heavy mischance after another, not because he does not feel them, but because he is a man of high and heroic temper.
When superior people hear of the Way, they carry it out with diligence. When middling people hear of the Way, it sometimes seems to be there, sometimes not. When lesser people hear of the Way, they ridicule it greatly. If they didn't laugh at it, it wouldn't be the Way.
The most sublime courage I have ever witnessed has been among that class too poor to know they possessed it, and too humble for the world to discover it.