Error is acceptable as long as we are young; but one must not drag it along into old age.
To create something you must be something.
None are more hopelessly enslaved than those who falsely believe they are free.
There is nothing insignificant in the world. It all depends on the point of view.
Those who hope for no other life are dead even for this.
Plunge boldly into the thick of life, and seize it where you will, it is always interesting.
No one has ever learned fully to know themselves.
In the realm of ideas everything depends on enthusiasm… in the real world all rests on perseverance.
The human mind will not be confined to any limits.
Everybody wants to be somebody; nobody wants to grow.