统一自然界基本力的追求是现代物理学中最大的挑战之一。
The quest to unify the fundamental forces of nature is one of the greatest challenges in modern physics.
The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.
El verdadero escritor no busca la fama, sino la verdad.
The speed of learning determines the speed of growth.
老年并不有趣，直到你真正到达那个年纪。
