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Wake up with determination. Go to bed with satisfaction.

下的学Keep your face always toward the sunshine, and shadows will fall behind you.读懂的生Believe you can and you're halfway there.前古Don't wait. The time will never be just right.

人无让科Do something today that your future self will thank you for.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It’s going to be hard, but hard does not mean impossible.前古You don’t have to be great to start, but you have to start to be great.

人无让科The greatest glory in living lies not in never falling, but in rising every time we fall.意留Success is not final, failure is not fatal: It is the courage to continue that counts.

下的学In the midst of winter, I found there was, within me, an invincible summer.读懂的生Believe you can and you're halfway there.