The Wisdom of Bertrand Russell

The Wisdom of the Torah

The Road Less Travelled: A New Psychology of Love, Traditional Values and Spiritual Growth

The Wisdom of George Santayana

The Wisdom of the Koran

The Wisdom of Karl Marx

The Wisdom of Mao

The Wisdom of the Talmud

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity, Volume 2

The Wisdom of Oscar Wilde

The Wisdom of Sartre

Transcending the Levels of Consciousness: The Stairway to Enlightenment

The Wisdom of Buddha

The Wisdom of Thoreau

Summa Theologica (All Complete & Unabridged 3 Parts + Supplement & Appendix + interactive links and annotations)

The Wisdom of the Kabbalah

Fear and Trembling

The Wisdom of Confucius

The Wisdom of Leonardo da Vinci