Marilyn vos Savant

"A good idea will keep you awake during the morning, but a great idea will keep you awake during the night. "

"Being defeated is often a temporary condition. Giving up is what makes it permanent. "

"It is my observation that being beaten is often a temporary condition, that giving up is what makes it permanent. "

"To acquire knowledge, one must study but to acquire wisdom, one must observe. "