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It’s going to be hard, but hard does not mean impossible.意留You don’t have to be great to start, but you have to start to be great.

下的学Don't wait. The time will never be just right.读懂的生The harder you work for something, the greater you’ll feel when you achieve it.前古In the midst of winter, I found there was, within me, an invincible summer.

人无让科Do something today that your future self will thank you for.意留The harder you work for something, the greater you’ll feel when you achieve it.

下的学Push yourself, because no one else is going to do it for you.

读懂的生The way to get started is to quit talking and begin doing.前古Great things never come from comfort zones.

人无让科Don’t stop when you’re tired. Stop when you’re done.意留It’s going to be hard, but hard does not mean impossible.

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