El miedo es la única enfermedad incurable.

痛苦是暂时的，但放弃是永远的。

The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.

经济理论提供工具，但现实世界的测试会完善它们。

Innovation in oil extraction isn't optional—it's essential for meeting the world's energy demands.

每一个挑战都是成长的机会。

"To give is to receive, to love is to be loved, and to live is to let live."