Here [in the spiritual realm] birth is not the result of intervention from outside, as happens with bodily creatures who reproduce in an external way. Spiritual birth is the result of free choice and we are thus, in a sense, our own parents, creating ourselves as we want to be, freely fashioning ourselves according to the pattern of our choice.

The Marvelous Power Of The Cross | Pope Leo The Great
Our understanding, which is enlightened by the Spirit of truth, should receive with purity and freedom of heart the glory of the cross as it shines in heaven and on earth. It should see with inner vision the meaning of the Lord's words when he spoke of the imminence...