The only meaningful way to study learning is through objective measurement.

预测未来的最好方法就是发明它。

自由民主的未来取决于其适应新挑战并维持公民支持的能力。

I want to inspire people to believe in themselves and to push their limits.

I want to be a tree, not because trees don't speak, but because trees don't lie.

我写作是为了探索语言的边界。

沉默可以比言语更有力量。