3 Metaphors for propensity

"How little she knows the heart," thought Theodore, "his evil propensities would have been an additional claim upon my kindness!" I will pass over all that Theodore said to the boy himself.

The propensities, alas, remained propensities, never acquiring the force of habit.

These barbarous propensities have long been the theme of French satyrists; and though I do not pretend to infer that they are national, yet certainly the revolution has produced instances of ferocity not to be paralleled in any country that ever had been civilized, and still less in one that had not.

3 Metaphors for  propensity