心理过程的价值在于它对生命的服务。

墨西哥是一个破碎镜子的国家，每个碎片都反映着不同的现实。

Once made equal to man，woman becomes his superior.

The people are the roots of the revolution. Without the people, the revolution cannot succeed.

确认某些人是否可以信任的最好的办法，就是信任他们。

Courage isn't the absence of fear, but the will to keep going.

最好的数学不仅正确，而且具有启发性。