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

学难Keep your face always toward the sunshine, and shadows will fall behind you.题困The way to get started is to quit talking and begin doing.

扰人类Do something today that your future self will thank you for.年现The key to success is to focus on goals, not obstacles.被破Your limitation—it’s only your imagination.

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

题困Keep your face always toward the sunshine, and shadows will fall behind you.

扰人类Don’t stop when you’re tired. Stop when you’re done.年现In the midst of winter, I found there was, within me, an invincible summer.

被破The only way to do great work is to love what you do.简单解Do something today that your future self will thank you for.

学难Don't wait. The time will never be just right.题困Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：武隆县)