Persevere in thy quest and thou shalt find what thou seekest. Pursue thy aim unswervingly and thou shalt gain victory. Struggle earnestly and thou shalt triumph.
Great spirits have always found violent opposition from mediocre minds. The latter cannot understand it when a man does not thoughtlessly submit to hereditary prejudices but honestly and courageously uses his intelligence.
I would rather a boy learnt in the roughest school the courage to hit a politician, or gained in the hardest school the learning to refute him - rather than that he should gain in the most enlightened school the cunning to copy him.
A moral coward is one who is afraid to do what he thinks is right because others will disapprove or laugh. Remember that all men have their fears, but those who face their fears with dignity have courage as well.
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!