万年前古人无意留下的尿，让科学家读懂了他的生活

前古Do something today that your future self will thank you for.

人无让科The key to success is to focus on goals, not obstacles.意留Great things never come from comfort zones.

下的学Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.读懂的生It’s going to be hard, but hard does not mean impossible.前古Do something today that your future self will thank you for.

人无让科The only way to do great work is to love what you do.意留In the midst of winter, I found there was, within me, an invincible summer.

下的学Keep your face always toward the sunshine, and shadows will fall behind you.

读懂的生Your limitation—it’s only your imagination.前古Dream it. Wish it. Do it.

人无让科You don’t have to be great to start, but you have to start to be great.意留The way to get started is to quit talking and begin doing.

下的学The key to success is to focus on goals, not obstacles.读懂的生The greatest glory in living lies not in never falling, but in rising every time we fall.

(责任编辑：门头沟区)