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.

Those who dream by day are cognizant of many things which escape those who dream only by night.

我们今天所做的选择将塑造明天的世界。