The only thing that you absolutely have to know, is the location of the library.

Although words exist for the most part for the transmission of ideas, there are some which produce such violent disturbance in our feelings that the role they play in the transmission of ideas is lost in the background.

As to science, we may well define it for our purpose as "methodical thinking directed toward finding regulative connections between our sensual experiences".

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

Time and space are not conditions of existence, time and space is a model for thinking

Man like every other animal is by nature indolent. If nothing spurs him on, then he will hardly think, and will behave from habit like an automaton.

Nuclear power is one hell of a way to boil water