The real test is not whether you avoid failure, because you won't. It's whether you let it harden or shame you into inaction, or whether you learn from it. . .
. . . Have patience and be faithful unto death. Do not fight among yourselves. Be perfectly pure in money dealings. . . . We will do great things yet. . . . So long as you have faith and honesty and devotion, everything will prosper.
The most important benefit of patience consists in the way it acts as a powerful antidote to the affliction of anger - the greatest threat to our inner peace, and therefore our happiness. The mind, or spirit, is not physical, it cannot be touched or harmed directly. Only negative thoughts and emotions can harm it. Therefore, only the corresponding positive quality can protect it.
Patience; accomplish thy labor; accomplish thy work of affection!
Sorrow and silence are strong, and patient endurance is godlike.
Therefore accomplish thy labor of love, till the heart is made godlike,
Purified, strengthened, perfected, and rendered more worthy of heaven.