Gran Diccionario Oxford (inglés-español, español-inglés)
Variantes
to talk with one's hand in one's heart, to say something with one's hand in one's heart, to tell something with one's hand in one's heart,
Contexto
Most mediums do a lot of good in their work, and yes I did say most because as you know in life there is always someone out to con another.
I can tell you with my hand in my heart, and God as my witness, life goes on, but please don't think all mediums are a joke, have you watched Colin Fry, or John Edwards.