心若是牢笼，处处为牢笼，自由不在外面，而在于内心。
相信自己能行，你已经成功了一半。
有机催化的力量在于它经常为复杂问题提供令人惊讶的简单解决方案。
The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.
假设生活会非常艰难，然后问自己能否承受。如果答案是肯定的，你就赢了。
The rise of China will inevitably lead to conflict with the United States, as it challenges the existing balance of power.