It is no small art to sleep: for that purpose you must keep awake all day.
If I have seen further it is by standing on the shoulders of Giants.
An optimist believes we live in the best possible of worlds.- A pessimist fears that this is true.
Maybe true travel is not the transportation of the body, but a change of perception, renewing the mind.
That which can be asserted without evidence, can be dismissed without evidence.
Space is big. You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.
A concept is a brick. It can be used to build a courthouse of reason. Or it can be thrown through the window.
Everything must be made as simple as possible. But not simpler.
If they can get you asking the wrong questions, they don’t have to worry about answers.
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.