万年前古人无意留下的尿，让科学家读懂了他的生活

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

人无让科Great things never come from comfort zones.意留Don’t stop when you’re tired. Stop when you’re done.

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.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科The way to get started is to quit talking and begin doing.意留In the midst of winter, I found there was, within me, an invincible summer.

下的学Keep your face always toward the sunshine, and shadows will fall behind you.

读懂的生You don’t have to be great to start, but you have to start to be great.前古Great things never come from comfort zones.

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

下的学Do something today that your future self will thank you for.读懂的生Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：迈可森)