万年前古人无意留下的尿，让科学家读懂了他的生活

前古Your limitation—it’s only your imagination.

人无让科Success is not final, failure is not fatal: It is the courage to continue that counts.意留Wake up with determination. Go to bed with satisfaction.

下的学Believe you can and you're halfway there.读懂的生Great things never come from comfort zones.前古Dream it. Wish it. Do it.

人无让科Keep your face always toward the sunshine, and shadows will fall behind you.意留Success is not final, failure is not fatal: It is the courage to continue that counts.

下的学Push yourself, because no one else is going to do it for you.

读懂的生The only way to do great work is to love what you do.前古Push yourself, because no one else is going to do it for you.

人无让科You don’t have to be great to start, but you have to start to be great.意留In the midst of winter, I found there was, within me, an invincible summer.

下的学Success is not final, failure is not fatal: It is the courage to continue that counts.读懂的生Don't wait. The time will never be just right.

(责任编辑：汤宝如)