Train people well enough so they can leave, treat them well enough so they don't want to.
The only thing I'm scared of is being forgotten.
Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands – it’s the upstairs that counts.
An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment.
每个人心中都有一个深渊。有时你会凝视它，有时你不会。
Architecture should speak of its time and place, but yearn for timelessness.