Many Of The Things You Can Count,

The Creative Principle [of Science] Resides In Mathematics.

You Can't Solve Problems With The Same Thinking That Caused Them.

It Is My Conviction That Pure Mathematical Construction Enables Us To Discover The Concepts And The Laws Connecting Them, Which Gives Us The Key To The Understanding Of Nature ... In A Certain Sense, Therefore, I Hold It True That Pure Thought Can Grasp Reality, As The Ancients Dreamed.

It Is High Time The Ideal Of Success Should Be Replaced With The Ideal Of Service.

The Formulation Of The Problem Is Often More Essential Than Its Solution, Which May Be Merely A Matter Of Mathematical Or Experimental Skill.