The biggest weapon against stress is our ability to choose one thought over another.

少即是多，仅当多即是太多时。

Music is more than a beautiful melody. It is the deepest expression of the human soul.

"We're going on a bear hunt. We're going to catch a big one. What a beautiful day! We're not scared."

物理学的美丽在于它能够用简单解释复杂。