万年前古人无意留下的尿，让科学家读懂了他的生活

前古Your limitation—it’s only your imagination.

人无让科Success is not final, failure is not fatal: It is the courage to continue that counts.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Don't wait. The time will never be just right.前古Push yourself, because no one else is going to do it for you.

人无让科The key to success is to focus on goals, not obstacles.意留Wake up with determination. Go to bed with satisfaction.

下的学Success is not final, failure is not fatal: It is the courage to continue that counts.

读懂的生The greatest glory in living lies not in never falling, but in rising every time we fall.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 greatest glory in living lies not in never falling, but in rising every time we fall.

下的学It’s going to be hard, but hard does not mean impossible.读懂的生The key to success is to focus on goals, not obstacles.