One must attempt the impossible

to achieve what is possible.

---Hermann Hesse (1877–1962)

Enlightenment is the emancipation of man from a
state of self-imposed tutelage, of incapacity to use his
own intelligence without external guidance.

Such a state of tutelage I call ‘self-imposed’ if it is
due, not to lack of intelligence, but to lack of courage or
determination to use one’s own intelligence without the
help of a leader.

Dare to use your own intelligence!

---Immanuel Kant (1724–1804)