The past is a kind of future that has already happened.
教育的艺术必须从教育的科学中汲取其法则。
The only way to achieve true success is to create value for others.
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.