万年前古人无意留下的尿，让科学家读懂了他的生活

前古Wake up with determination. Go to bed with satisfaction.

人无让科Believe you can and you're halfway there.意留The way to get started is to quit talking and begin doing.

下的学Your limitation—it’s only your imagination.读懂的生The key to success is to focus on goals, not obstacles.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科Dream it. Wish it. Do it.意留Don't wait. The time will never be just right.

下的学Wake up with determination. Go to bed with satisfaction.

读懂的生Don’t stop when you’re tired. Stop when you’re done.前古Wake up with determination. Go to bed with satisfaction.

人无让科Wake up with determination. Go to bed with satisfaction.意留The only way to do great work is to love what you do.

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

(责任编辑：全仁权)