大自然是伟大的老师，当别人睡觉时，我从她那里学得最好。
Nature is the greatest teacher and I learn from her best when others are asleep.
The only real wealth is the wealth of the soul.
I'm a survivor. I'm not gonna give up. I'm not gonna stop. I'm gonna work harder.
To feed the world, we must first respect the resources we have.
What I feared most for myself at your age was not poverty, but failure.
关键在于政府支出的效果取决于经济状况。
我们无法不了解历史。
做决定的最好方法就是去做它。