大自然从不欺骗我们；欺骗我们的总是我们自己。
Nature never deceives us； it is always we who deceive ourselves.
En cada palabra escrita hay un pedazo del alma del autor.
We are all ghosts of ourselves, haunting the places we once lived.
It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.
The deepest insights in mathematics often come from the most abstract theories.
一个故事应该有开头、中间和结尾——但不一定按这个顺序。