The only limits in life are the ones you set for yourself.
生活中唯一的限制是你为自己设定的限制。
The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.
科学尚未教导我们，疯狂是否就是智力的至高境界。
我们相信，通过我们的努力，可以让世界变得更美好。
The family is the basic unit of society, and it is under attack.
"The world is a stage, but the play is badly cast."
