学习数学的唯一方法就是做数学。

Every film is a journey, and every journey has its own challenges.

The spread of liberal democracy and the integration of the world economy have created a new global order.

I think that we communicate only too well, in our silence, in what is unsaid, and that what takes place is a continual evasion, desperate rearguard attempts to keep ourselves to ourselves.

我不是一个完美的人，我从来没有声称过。但我每天都在努力变得比昨天更好。