Selected quotation

"To know the history of philosophy is to know that the highest thinkers of the ages, the seers of the tribes and the nations, have been optimists."

~ Helen Keller



Various books with quotations, aphorisms and proverbs:

The Book of Positive Quotations, 2nd Edition

365 Inspirational Quotes (365 Days Perpetual Calendars)

The Oxford Dictionary of Quotations

8,789 Words of Wisdom

Doonesbury.com's The War in Quotes

Chinese Proverbs

The Wise and Witty Quote Book: More than 2000 Quotes to Enlighten, Encourage, and Enjoy

A Continual Feast: Words of Comfort and Celebration, Collected by Father Tim

Positive Thinking Every Day: An Inspiration for Each Day of the Year

Everyday Positive Thinking

Offerings: Buddhist Wisdom for Every Day (Offerings for Humanity)

Best Quotations for All Occasions