经济进步既依赖于新想法，也依赖于更好的实施。

The truth is a weapon, and like any weapon, it can be used for good or ill.

进步的关键在于坚持和挑战传统观念的意愿。

A book should feel like a friend to a child—comforting, exciting, and full of surprises.

The beauty of mathematics lies in its ability to reveal the hidden structures of reality.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

时间并非实物，因此我们既无法浪费也无法节省；它始终与我们同在。