One of the advantages of being old is that you can speak your mind without worrying about the consequences.
我们的教学方法只有一个,就是必须维持孩子们的高度兴趣和强烈持续的注意力。
人生太短,不应该浪费时间与平庸者交朋友。
我们所相信的观念,并非是事物真实的本质,而只是它们表面的样貌。
Leadership means making tough decisions today that will benefit everyone tomorrow.