You cannot always control what goes on outside, but you can always control what goes on inside.

Men marry because they are tired, women because they are curious; both are disappointed.

Games are a combination of art and technology—neither can be neglected.

We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

我了解到你无法控制生活中的一切，这没关系。