质量是免费的。它不是礼物，但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

思想塑造历史的进程。

"You can't do anything about the length of your life, but you can do something about its width and depth."

建筑师必须是城市肌体的治愈者。