Happiness， like unhappiness， is a proactive choice.

I never stop learning and improving.

Space and light and order. Those are the things that men need just as much as they need bread or a place to sleep.

译文：应该将亲近好厌恶等情绪一并抛弃，才能成功地使用权谋之术。

大胆梦想，努力工作，永远不要让任何人黯淡你的光芒。

The poor often have to make more complex financial decisions than the rich.

I think that’s the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.