The soul that has conceived one wickedness can nurse no good thereafter.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful. But most people will die tomorrow night.
The beauty of mathematics lies in its ability to reveal the underlying simplicity in what appears to be complex.
生活中唯一真正的失败是不忠于自己所知道的最好的东西。
每个采石场都有一个写在岩石层和几代工人中的故事
化学和物理的界面是奇迹发生的地方。