The future will be what it will, and fretting about it will only make your fears more likely to come true.

Wise? No, I simply learned to think.

Consider non your superior, whatever their rank or station in life. Treat all fairly or they will seek revenge. Be careful with your money. Hold fast to your belief and others will listen." he continued at a slower pace, " of the affairs of love ... my only advice is to be honest. thats your most powerfull too to unlock a heart or gain forgiveness. that is all i have to say"Garrow to Roran p 64

Without fear there cannot be courage.

He's acting as foolish as a kitten... but then, everyone's entitled to a little foolishness once in a while.

They were quiet for a while, eating, then Oromis asked, "Can you tell me, What is the most important mental tool a person can possess?"
It was a serious question, and Eragon considered it for a reasonable span before he ventured to say, "Determination."
Oromis tore the loaf in half with his long white fingers. "I can understand why you arrived at that conclusion-determination has served you well in your adventures-but no. I meant the tool most necessary to choose the best course of action in any given situation. Determination is as common among men who are dull and foolish as it is among those who are brilliant intellects. So, no, determination cannot be what we're looking for.