And what is freedom, you ask? It means not being a slave to any circumstance, to any constraint, to any chance; it means compelling Fortune to enter the lists on equal terms.
Quae sit libertas, quaeris? Nulli rei servire, nulli necissitati, nullis casibus, fortunam in aequum deducere.
Original text (Latin)
Notes from Wikiquote
Line 9.
Variants
What is freedom, you ask? To be slave to nothing, to no necessity, to no chance events, to draw Fortune into a fair fight.