Happiness， like unhappiness， is a proactive choice.
幸福，就像不幸一样，是一个主动的选择。
Le rire est le soleil qui chasse l'hiver du visage humain.
The best investment you can make is in yourself.
危机中的领导力意味着为了更美好的明天，今天就要做出艰难的决定。
Don't let yesterday take up too much of today.
我们选择记住的和选择忘记的同样能说明我们自己。
I'm not arrogant, I just believe I'm the best.
解释：既要追悔以往的过失，也要预防将来可能发生的错误。
What I’ve achieved in tennis is great, but who I am as a person is more important.
Science fiction is the literature of ideas, and the ideas are what matter.