A physician's physiology has much the same relation to his power of healing as a cleric's divinity has to his power of influencing conduct.
It is better to have loved and lost than never to have lost at all.
Sometime they don't let you know that they know that they don't know...
Love many things for therein lies the true strength and whosoever loves much performs much and can accomplish much and what is done in love is done well.