不是我们选择的道路，而是我们内心的东西决定了我们的命运。
It ain't the roads we take; it's what's inside of us that makes us turn out the way we do.
I must study politics and war that my sons may have liberty to study mathematics and philosophy.
当孩子放在自然环境的环境里，他会显示出自己的能力。