最成功的企业是那些把客户置于一切工作中心的企业。

爱比恐惧更强大。

如果你想在数学上取得进步，你必须习惯于不舒服。

The world is a fine place and worth the fighting for.

Writing is the only way I can breathe.

We must balance the need for energy with the need to protect the environment.