自守形式的研究是数学思想统一性的反映。

我不必成为除了我自己以外的任何东西。

只保有你可一直携带的东西：掌握一些语言，熟悉一些国家，了解那些人民。让记忆成为你的行囊。

True leadership means making tough decisions today that will benefit future generations.

当下总是不稳定的地方，而过去是我们自以为知道身在何处的地方。

Then it was that Margaret, sitting alone with tears dropping often on her work, felt how rich she had been in things more precious than any luxuries money could buy—in love, protection, peace, and health, the real blessings of life.

The mind can be considered as a physical symbol system.