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 wait. The time will never be just right.

人无让科Push yourself, because no one else is going to do it for you.意留Believe you can and you're halfway there.

下的学Do something today that your future self will thank you for.读懂的生Dream it. Wish it. Do it.前古Dream it. Wish it. Do it.

人无让科Don’t stop when you’re tired. Stop when you’re done.意留Push yourself, because no one else is going to do it for you.

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The way to get started is to quit talking and begin doing.

人无让科The key to success is to focus on goals, not obstacles.意留Don’t stop when you’re tired. Stop when you’re done.

下的学Your limitation—it’s only your imagination.读懂的生Wake up with determination. Go to bed with satisfaction.

(责任编辑：塘沽区)