物理It’s going to be hard, but hard does not mean impossible.

老师Success is not final, failure is not fatal: It is the courage to continue that counts.做科Believe you can and you're halfway there.

普视频粉Success is not final, failure is not fatal: It is the courage to continue that counts.丝超Dream it. Wish it. Do it.千万The way to get started is to quit talking and begin doing.

物理You don’t have to be great to start, but you have to start to be great.老师The key to success is to focus on goals, not obstacles.

做科You don’t have to be great to start, but you have to start to be great.

普视频粉The only way to do great work is to love what you do.丝超The way to get started is to quit talking and begin doing.

千万The way to get started is to quit talking and begin doing.物理Keep your face always toward the sunshine, and shadows will fall behind you.

老师In the midst of winter, I found there was, within me, an invincible summer.做科Great things never come from comfort zones.