Faith is the capacity of the ...

Faith is the capacity of the soul to perceive the abiding, the invisible in the visible.
 Leo Baeck

Quotes from the same author

The mark of a mature man is the ability to give love and receive it joyously and without guilt.
 Leo Baeck
In Judaism social action is religiousness, and religiousness implies social action.
 Leo Baeck
Through faith man experiences the meaning of the world through action he is to give to it meaning.
 Leo Baeck