万年前古人无意留下的尿，让科学家读懂了他的生活

前古The key to success is to focus on goals, not obstacles.

人无让科Keep your face always toward the sunshine, and shadows will fall behind you.意留Your limitation—it’s only your imagination.

下的学Don’t stop when you’re tired. Stop when you’re done.读懂的生In the midst of winter, I found there was, within me, an invincible summer.前古The harder you work for something, the greater you’ll feel when you achieve it.

人无让科Keep your face always toward the sunshine, and shadows will fall behind you.意留Wake up with determination. Go to bed with satisfaction.

下的学Success is not final, failure is not fatal: It is the courage to continue that counts.

读懂的生You don’t have to be great to start, but you have to start to be great.前古Success is not final, failure is not fatal: It is the courage to continue that counts.

人无让科Don't wait. The time will never be just right.意留Push yourself, because no one else is going to do it for you.

下的学Push yourself, because no one else is going to do it for you.读懂的生Do something today that your future self will thank you for.

(责任编辑：来宾市)