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Keep your face always toward the sunshine, and shadows will fall behind you.意留The key to success is to focus on goals, not obstacles.

下的学Believe you can and you're halfway there.读懂的生Your limitation—it’s only your imagination.前古Great things never come from comfort zones.

人无让科Wake up with determination. Go to bed with satisfaction.意留Keep your face always toward the sunshine, and shadows will fall behind you.

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

读懂的生Do something today that your future self will thank you for.前古Great things never come from comfort zones.

人无让科Your limitation—it’s only your imagination.意留Your limitation—it’s only your imagination.

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：秀山土家族苗族自治县)