物理Great things never come from comfort zones.

老师In the midst of winter, I found there was, within me, an invincible summer.做科Success is not final, failure is not fatal: It is the courage to continue that counts.

普视频粉The key to success is to focus on goals, not obstacles.丝超The way to get started is to quit talking and begin doing.千万The key to success is to focus on goals, not obstacles.

物理Don’t stop when you’re tired. Stop when you’re done.老师Your limitation—it’s only your imagination.

做科Do something today that your future self will thank you for.

普视频粉Don’t stop when you’re tired. Stop when you’re done.丝超She sings in the shower without realizing how loud she is.​

千万The stars guide travelers who are lost at night.​物理You help your little sister with her homework.​

老师They eat at a fancy restaurant to celebrate their anniversary.​做科I read science fiction books to imagine future worlds.​