Full Idea
However habituated you are, given time to ponder you can go against a habit.
Gist of Idea
However habituated you are, given time to ponder you can go against a habit
Source
Thomas Aquinas (Quaestiones Disputatae de Malo [1271], Q6.h to 24)
Book Reference
Aquinas,Thomas: 'Selected Philosophical Writings', ed/tr. McDermott,Timothy [OUP 1993], p.183