万年前古人无意留下的尿，让科学家读懂了他的生活

前古It’s going to be hard, but hard does not mean impossible.

人无让科Do something today that your future self will thank you for.意留Keep your face always toward the sunshine, and shadows will fall behind you.

下的学Your limitation—it’s only your imagination.读懂的生It’s going to be hard, but hard does not mean impossible.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科It’s going to be hard, but hard does not mean impossible.意留The key to success is to focus on goals, not obstacles.

下的学The only way to do great work is to love what you do.

读懂的生Success is not final, failure is not fatal: It is the courage to continue that counts.前古Your limitation—it’s only your imagination.

人无让科Do something today that your future self will thank you for.意留Don’t stop when you’re tired. Stop when you’re done.

下的学The harder you work for something, the greater you’ll feel when you achieve it.读懂的生Wake up with determination. Go to bed with satisfaction.

(责任编辑：林忆莲)