The riches of the soul are stored up in its memory. this is the test of character, not whether a man follows the daily fashion, but whether the past … - Abraham Joshua Heschel

Man is naturally self-centered and he is inclined to regard expediency as the supreme standard for what is right and wrong. However, we must not convert an inclination into an axiom that just as man's perceptions cannot operate outside time and space, so his motivations cannot operate outside expediency; that man can never transcend his own self. The most fatal trap into which thinking may fall is the equation of existence and expediency.

The Sabbath is the most precious present mankind has received from the treasure house of God. All week we think: The spirit is too far away, and we succumb to spiritual absenteeism, or at best we pray: Send us a little of Thy spirit. On the Sabbath the spirit stands and pleads: Accept all excellence from me …

Ultimately there is no power to narcissistic, self-indulgent thinking. Authentic thinking originates with an encounter with the world.