Who can afford to do professional work for nothing?

有所成就是人生唯一的真正的乐趣。

Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.

The only way to discover the limits of the possible is to go beyond them into the impossible.

实现可持续增长的唯一途径是拥抱变化并挑战现状。

Greatness is a lot of small things done well, day after day.

The key to survival is not just physical strength, but mental resilience.

"The wound is the place where the Light enters you."

教师是太阳底下最光辉的职业。