Life is fragile: it thrives only in a narrow range of temperatures between freezing and boiling. How lucky that our planet is just the right distance from the sun: a little farther, and the death of the perpetual Antarctic winter - or worse - would prevail; a little closer, and the surface would truly fry anything that touched it.
-Leonard Susskind
Select a background
More quotes by Leonard Susskind
Popular Authors
A curated listing of popular authors.