The words you'll most regret Are the ones that are left unsaid.

Holy shadows of the dead, I'm not to blame for your cruel and bitter fate, but the accursed rivalry which brought sister nations and brother people, to fight one another. I do not feel happy for this victory of mine. On the contrary, I would be glad, brothers, if I had all of you standing here next to me, since we are united by the same language, the same blood and the same visions.

Happiness is pleasure without regret.

The release of atom power has changed everything except our way of thinking... the solution to this problem lies in the heart of mankind. If only I had known, I should have become a watchmaker.

In life, you learn lessons. And sometimes you learn them the hard way. Sometimes you learn them too late.

The true conquests, the only ones that cause no regret, are those made over ignorance.