"If you want to fly, you have to give up what weighs you down."
如果你想飞翔，就必须放弃拖累你的东西。
Foreign powers do not seem to appreciate the true character of our Government.
I don't think anything is unrealistic if you believe you can do it.
"The best children's books are those that respect the intelligence of the child."
Do not put forward anything that you cannot prove by experimentation.