面对挑战,我们必须保持韧性和创新。
In the face of challenges, we must remain resilient and innovative.
El amor es como un reloj de arena: cuando se acaba el corazón, la cabeza comienza a llenarse.
America has no permanent friends or enemies, only interests.
Choose always the way that seems the best, however it may be; custom will soon render it easy and agreeable.
Psychology must be a science of observation, not speculation.