However difficult life may seem, there is always something you can do and succeed at.

We don't inherit the land from our ancestors; we borrow it from our children.

The most profound technologies are those that become invisible because they are so deeply embedded in our lives.

"We all have our time machines. Some take us back, they're called memories. Some take us forward, they're called dreams."

科学中最重要的不是获得新的事实，而是发现思考它们的新方法。