Infinity presents a unique philosophical theory of thought and existence. Ehrenzeller believes humankind has subscribed to a limited and finite mode of thought and existence with radical ramifications in every field, including economics, politics, education, religion, science, and global and universal relations. The author delivers a studied, rational, and well-organized presentation of his philosophy of infinity and infinite thinking. His ideas are radical, yet he presents them clearly and candidly in an accessible style that will not overwhelm the general reader or bore scholars. His projections of the effects infinite thinking would have in so many areas of human existence are presented with contagious enthusiasm that, if it does not convert, engages the reader in a spirited intellectual dialogue. This is a philosophical argument in its greatest form - engaging, clear, thoughtful, and passionate.