Faith is an act of a finite being who is grasped by, and turned to, the infinite.

Faith is the state of being ultimately concerned.

Religion is the state of being grasped by an ultimate concern, a concern which qualifies all other concerns as preliminary and which itself contains the answer to the question of a meaning of our life.

Faith consists in being vitally concerned with that ultimate reality to which I give the symbolical name of God. Whoever reflects earnestly on the meaning of life is on the verge of an act of faith.

Faith is the state of being ultimately concerned

The infinite is contained within the finite, just as the name implies: In finite.