Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

In every true searcher of Nature there is a kind of religious reverence, for he finds it impossible to imagine that he is the first to have thought out the exceedingly delicate threads that connect his perceptions.

In one’s youth every person and every event appear to be unique. With age, one becomes much more aware that similar events recur. Later on, one is less often delighted or surprised, but also less disappointed.