The past is always present, whether we acknowledge it or not.

做出伟大工作的唯一方法是热爱你所做的事。

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not.

相对论不仅仅是一个科学理论，而且是一个哲学理论。