Only he can judge of matters great and high whose soul is likewise.
Sincerity is a soul quality that God has given to every human being, but not all express it.
Every modulated sound is not a song, and every voice that executes a beautiful air does not sing. Singing should enchant. But to produce this effect there must be a quality of soul and voice which is by no means common even with great singers.
Some are so uncharitable as to think all women bad, and others are so credulous as to believe they are all good. All will grant her corporeal frame more wonderful and more beautiful than man's. And can we think God would put a worse soul into a better body?
In other words, it was a struggle with himself. And the product of that struggle: anger, bitterness, resentment, envy or transformation, aspiration, hope, decency..the product of that struggle is the quality of your life and the nature of your soul.
Because everything we say and do is the length and shadow of our own souls, our influence is determined by the quality of our being.
I think the closest thing I can come to defining what that vital thing is for me - is that there's a sort of soul-quality in writing, if it's any good. It has a spirit or an energy to it that is very integral to who the writer is on a deep level. It's almost a cellular thing. It takes place in the cells of the writing, and it is what makes it alive or not.