The gratitude of every home in our Union goes out to the brave men who have fought and died in the service of our country.
预测未来的最好方法就是创造未来。
I am always glad to think that my education was, for the most part, informal, and had its roots in the real world.
Mastery is not a function of genius or talent. It is a function of time and intense focus applied to a particular field of knowledge.