不要走在我后面，我可能不会引路。不要走在我前面，我可能不会跟随。请走在我身边，做我的朋友。
Don't walk behind me; I may not lead. Don't walk in front of me; I may not follow. Just walk beside me and be my friend.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
The challenge is to create harmony between the built environment and the natural world.
Success isn’t about being perfect—it’s about being persistent.
There is nothing permanent except change.