If you can't explain it simply, you don't understand it well enough.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
That which can be asserted without evidence, can be dismissed without evidence.
Heard melodies are sweet, but those unheard, are sweeter
In the beginning there was nothing, which exploded.
Everything must be made as simple as possible. But not simpler.
Science and religion are not at odds. Science is simply too young to understand.
Time is a drug. Too much of it kills you.
An expert is a person who has made all the mistakes that can be made in a very narrow field.
We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.