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.
我不知道这个世界会如何看我，但对我自己而言我仅仅是一个在海边嬉戏的顽童，为时不时发现一粒光滑的石子或一片可爱的贝壳而欢喜，可与此同时对我面前的伟大的真理的海洋熟视无睹。
真相很少是纯粹的，也从来不是简单的。
面对失败时的坚持将成功的科学家与其他人区分开来。
The only limit to our realization of tomorrow is our doubts of today.
书籍可以是镜子、窗户和滑动玻璃门。