万年前古人无意留下的尿，让科学家读懂了他的生活

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Don’t stop when you’re tired. Stop when you’re done.

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Your limitation—it’s only your imagination.前古You don’t have to be great to start, but you have to start to be great.

人无让科The way to get started is to quit talking and begin doing.意留Dream it. Wish it. Do it.

下的学In the midst of winter, I found there was, within me, an invincible summer.

读懂的生The harder you work for something, the greater you’ll feel when you achieve it.前古Wake up with determination. Go to bed with satisfaction.

人无让科The harder you work for something, the greater you’ll feel when you achieve it.意留Your limitation—it’s only your imagination.

下的学The way to get started is to quit talking and begin doing.读懂的生Believe you can and you're halfway there.