A creditor is worse than a slave-owner; for the master owns only your person, but a creditor owns your dignity, and can command it.

Love partakes of the soul itself. it is of the same nature. like it, it is a divine spark, like it, it is incorruptible, indivisible, imperishable, it is the point of fire which is within us, which is immortal and infinite, which nothing can limit and nothing can extinguish.

Freedom in art, freedom in society, this is the double goal towards which all consistent and logical minds must strive.

No army can withstand the strength of an idea whose time has come.

That men saw his mask, but the bishop saw his face. That men saw his life, but the bishop saw his conscience.

He who opens a school door, closes a prison.

Philosophy is the microscope of thought.