我喜欢狗。你总能知道狗在想什么。它们只有四种情绪:快乐、悲伤、生气和专注。而且狗很忠诚,它们不会说谎,因为它们不会说话。
In science, we try to explain what we don't understand. In mathematics, we try to understand what we can't explain.
The first essential component of social justice is adequate food for all mankind.
Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.