Why we must have a confident mind?

>“Here, bhikkhus, some person has a confident mind. Having examined his mind with my mind, I know that if this person were to die at this time, as if carried there he would be placed in heaven. What is the reason for that? It is because his mind is confident. It is because of the mind’s confidence that some beings here, when the body perishes, are reborn after death in a good bourn, in a heavenly world.” > > [Iti 21](https://suttacentral.net/iti21/en/ireland) Why we must have a confident mind ? What is a confident mind according to the Lord Buddha ? What are the differences between confident and 1. Conceit 2. Clinging to a view