Habit is overcome by habit.
For it is the grace of Christ, and not our own virtue, that gives us the power to overcome the flesh and the world.
Who has a harder fight than he who is striving to overcome himself.
Habit is overcome by habit. [Lat., Consuetudo consuetudine vincitur.]
So fixed are our spirits in slothfulness and cold indifference that we seldom overcome so much as one evil habit.