The development of computational complexity theory has shown us that not all problems are created equal.

I think a simple rule of business is, if you do the things that are easier first, then you can actually make a lot of progress.

It is silly not to hope, he thought.

Don't watch the clock; do what it does. Keep going.

The changes we dread most may contain our salvation.

在商业中，你必须愿意冒险并采取大胆的行动才能成功。