4p7c.md (492B)
1 An emotion, in so far as it is referred to the 2 mind, can only be controlled or destroyed through an idea of a 3 modification of the body contrary to, and stronger than, that 4 which we are undergoing. For the emotion which we undergo can 5 only be checked or destroyed by an emotion contrary to, and 6 stronger than, itself, in other words, (by the general Definition 7 of the Emotions) only by an idea of a modification of the body 8 contrary to, and stronger than, the modification which we 9 undergo. 10 11