Powerlessness corrupts. Absolute powerlessness corrupts absolutely.

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.

创新是企业发展的灵魂，没有创新就没有未来。

数学的本质在于它的自由。

History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.