"If you wish to make an apple pie from scratch, you must first invent the universe." ― Carl Sagan Topic(s): Nature More From Carl Sagan "A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism." "The brain is like a muscle. When it is in use we feel very good. Understanding is joyous." "Imagination will often carry us to worlds that never were. But without it we go nowhere." More In Nature "As parents, grandparents, uncles and aunts we need to start getting out into nature with the young people in our lives. Families play a key role in getting kids outside."― David Suzuki "Never does nature say one thing and wisdom another."― Juvenal "Nature is our chapel."― Bjork