We pass through hundreds, thousands, perhaps millions of existences. In each lifetime, we're exploring another part of our own self, which is eternity.
Frederick LenzAs Buddha points out, you should not rely on the opinions of others for validation of your internal progression.
Frederick LenzIf a person sets out to practice meditation in this lifetime and they have a little bit of spiritual evolution behind them and they're quite dedicated, it really is not at all an impossible task to enter into salvakalpa samadhi in this particular lifetime.
Frederick Lenz