The wolf changes his coat, but not his disposition.
— Proverbs

The greater part of our happiness or misery depends upon our dispositions, and not upon our circumstances.
Martha Washington dispositions quote

He who is of calm and happy nature will hardly feel the pressure of age, but to him who is of an opposite disposition youth and age are equally a burden.
— Plato

The tendency of aggression is an innate, independent, instinctual disposition in man... it constitutes the most powerful obstacle to culture.
— Sigmund Freud

A patronizing disposition always has its meaner side.
— dispositions quotation by George Eliot