挑战是伪装的机会；用勇气拥抱它们。
我爱我所做的，我对此充满热情。
The only person who cannot be helped is that person who blames others.
The purpose of education is not to fill the minds of students with facts but to teach them to think.
教育的目的不是用事实填满学生的头脑，而是教会他们思考。