我不知道我为什么爱你，但是我爱你。

Why worry? If you’ve done the very best you can, worry won’t make it any better.

Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.

The key to success is to focus on goals, not obstacles.

建筑师的职责是让世界更宜居。