“ Yes,I'm afraid you're right. Trial and error isn't a bad way to learn how to build an aircraft,but it can be a disastrous way to learn how to build a civilization.”
“Such is how Science makes progress: not destroying the past, but learning from it, and building on it.”
“We've learned how to destroy, but not to create; how to waste, but not to build; how to kill men, but not how to save them; how to die, but seldom how to live.”
“Failure is just another way to learn how to do something right.”
“I'm not afraid of storms, for I'm learning how to sail my ship.”
“What I really like to learn how to do is to build sentences that are equal to mental states.”