If you are weak, dependent upon others, inclined to allow...

If you are weak, dependent upon others, inclined to allow yourself to be dominated by opinion, to take root wherever you see a little soil, make for yourself a shield that will resist everything, for if you yield to your weaker nature you will not grow, you will dry up like a dead plant, and you will bear neither fruit nor flowers. The sap of your life will dissipate into the formation of a useless bark; all your actions will be as colorless as the leaves of the willow; you will have no tears to water you, but those from your own eyes, to nourish you, no heart but your own.