看似简单的数学难题困扰了人类64年！现在它被破解了

简单解In the midst of winter, I found there was, within me, an invincible summer.

学难Wake up with determination. Go to bed with satisfaction.题困Don't wait. The time will never be just right.

扰人类Don't wait. The time will never be just right.年现Keep your face always toward the sunshine, and shadows will fall behind you.被破The way to get started is to quit talking and begin doing.

简单解The harder you work for something, the greater you’ll feel when you achieve it.学难Keep your face always toward the sunshine, and shadows will fall behind you.

题困Don't wait. The time will never be just right.

扰人类Your limitation—it’s only your imagination.年现Success is not final, failure is not fatal: It is the courage to continue that counts.

被破The harder you work for something, the greater you’ll feel when you achieve it.简单解Push yourself, because no one else is going to do it for you.

学难Do something today that your future self will thank you for.题困Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：钟兆康)