2 Metaphors for developed

"Now, the developing of character is no light task, nor is it the least work that has to be done.

She even recurred to her question, whether Julius was a Christian, without nearly as much negation in her tones as before; and Jenny, taking it as it was meant, vouched for his piety, so as might render it a little more comprehensible to one matured on Scottish Calvinism and English Methodism, diluted in devout undogmatic minds, with no principle more developed than horror of Popery and of worldliness.

2 Metaphors for  developed