“Let the children be free; encourage them; let them run outside when it is raining; let them remove their shoes when they find a puddle of water; and when the grass of the meadows is wet with dew, let them run on it and trample it with their bare feet; let them rest peacefully when a tree invites them to sleep beneath its shade; let them shout and laugh when the sun wakes them in the morning.”

“Don't bother just to be better than others. Try to be better than yourself.”

“He who laughs at himself never runs out of things to laugh at.”

“Our lives ... are but a little while, so let them run as sweetly as you can, and give no thought to grief from day to day. For time is not concerned to keep our hopes, but hurries on its business, and is gone.”

“Dare to begin! He who postpones living rightly is like the rustic who waits for the river to run out before he crosses.”

“Whatever you teach, be brief; what is quickly said, the mind readily receives and faithfully retains, everything superfluous runs over as from a full vessel.”

“Eureka! Eureka!Supposed to have been his cry, jumping naked from his bath and running in the streets, excited by a discovery about water displacement to solve a problem about the purity of a gold crown.”