一个人真正需要的财富就那么一点点，其余的都是用来炫耀的。

The essence of computation is not just in the manipulation of symbols, but in the profound understanding of what those manipulations represent.

I do not know what I may appear to the world， but to myself I seem to have been only like a boy playing on the sea-shore， and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary， whilst the great ocean of truth lay all undiscovered before me.

Curiosity is the driving force behind every great scientific breakthrough.