我经常需要独处。如果我从周六晚上到周一早上独自一人在我的公寓里度过，我会非常高兴。这就是我如何给自己加油的。
土地不属于我们，我们只是从后代那里借来的。
过去是一张地图，显示我们曾去过哪里。
A writer must be faithful to his own truth, even if it is not the truth of others.
Every mathematical problem is a window into a deeper understanding of the world.
Human activities have become a significant force shaping Earth's climate.
Success is not final, failure is not fatal: It is the courage to continue that counts.