You must not think that what is hard for you to master is humanly impossible; and if it is humanly possible, consider it to be within your reach.
预测未来的最好方法就是去创造未来。
我们不仅继承了父母的特征,还继承了他们的沉默。
大自然倾向于在她所有的作品中产生恒常性,但并不总是成功。