They are explicitly used in English to refer to an inspiration.For poet and "law-giver" Solon the ancient Muses were "the key to the good life"; since they brought both prosperity and friendship.
It was believed that the Muses would help inspire people to do their best.
As a Hypnotherapist, I've found a way to do just that with the added benefit of recognised qualifications.
Hypnotherapy is about making sure you achieve what you want in life. It is about you being in control and fully using your mental faculties to bring about the life change you want without even trying.