孔子说：“生来就知道的，是上等人；学习后才知道的，是二等人；遇到困难才学习的，是三等人；遇到困难也不学习的，这就是下等人了。”

Architecture should be generous - generous with space, with light, with possibility.

But there is no such liberty as the power to dispose of what we please.

The best mathematics is not just correct; it is illuminating.

真正的领导力在于帮助他人发挥他们的潜力。