Selected quotation

"Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true."

~ Bertrand Russell, "Mysticism and Logic"



Various books with quotations, aphorisms and proverbs:

The Most Brilliant Thoughts of All Time (In Two Lines or Less)

America's Popular Sayings: Over 1600 Expressions on Topics from Beauty to Money and Everything In Between

8,789 Words of Wisdom

Apronisms: Pocket Wisdom for Every Day

The Ultimate Guide to the Perfect Word: Quotes - Titles - Poetry - Tips - Words

The Proverbs Driven Life: Timeless Wisdom for Your Words, Work, Wealth, and Relationships

365 Inspirational Quotes (365 Days Perpetual Calendars)

Oxymoronica: Paradoxical Wit & Wisdom From History's Greatest Wordsmiths

The Yale Book of Quotations

The Oxford Dictionary of Quotations

Best Quotations for All Occasions

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