You cannot learn what you are made of if you rely on anyone or anything else to help you.

Who is it who decides that one man should live and another should die? My life wasn't worth any more than his, but he's the one who's buried, while I get to enjoy at least a few more hours above the ground. Is it chance, random and cruel, or is there some purpose or pattern to all this, even if it lies beyond our ken?" -Roran

It is an overactive imagination that turns men into cowards, not a surfeit of fear, as many believe

Do not become so attached to any one belief than you cannot see past it to another possibility. Brom to Eragon

No hunter of the sky should end his days as prey. Better to die on the wing than pinned to the ground. [Saphira]

do not worry about these things. find peace in where and what you are ~saphira to eragon page 429

For her, choices were simple; either there was an action she could take to improve the situation, in which case she took it, or there was not, and everything else said on the subject was so much meaningless noise.