Happiness is worth a daring deed; we are both free if we but will it, and then the game is won.

Helmer: "Before all else you are a wife and a mother." Nora: "That I no longer believe. I believe that before all else I am a human being."

But a scientific man must live in a little bit of style.

There is always a risk in being alive, and if you are more alive, there is more risk.

Money brings you food, but not appetite; medicine, but not health; acquaintances, but not friends.

It is the very mark of the spirit of rebellion to crave for happiness in this life

In your power, all the same. Subject to your will and your demands. No longer free! No! That's a thought I'll never endure! Never.