写作是一种自由的行为，但也是一种责任。
Escribir es un acto de libertad, pero también de responsabilidad.
现代物理学的挑战不仅在于找到答案，还在于提出正确的问题。
If you're alive, you've got to flap your arms and legs, you've got to jump around a lot, you've got to make a lot of noise, because life is the very opposite of death.
Leadership is about guiding others to see the value in what they do.