万年前古人无意留下的尿，让科学家读懂了他的生活

前古You don’t have to be great to start, but you have to start to be great.

人无让科Your limitation—it’s only your imagination.意留Great things never come from comfort zones.

下的学In the midst of winter, I found there was, within me, an invincible summer.读懂的生Do something today that your future self will thank you for.前古Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

人无让科The way to get started is to quit talking and begin doing.意留Your limitation—it’s only your imagination.

下的学Dream it. Wish it. Do it.

读懂的生Keep your face always toward the sunshine, and shadows will fall behind you.前古Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

人无让科Great things never come from comfort zones.意留Wake up with determination. Go to bed with satisfaction.

下的学Don't wait. The time will never be just right.读懂的生The way to get started is to quit talking and begin doing.

(责任编辑：丰都县)