Quotation:

 Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)

 Mahatma Gandhi quotes (Indian Philosopher, internationally esteemed for his doctrine of nonviolent protest, 1869-1948)

 George Carlin quotes (American stand-up Comedian, Actor and Author. b.1937)

 Bertrand Russell quotes (English Logician and Philosopher 1872-1970)

 Karl Popper quotes

 Dalai Lama quotes (Head of the Dge-lugs-pa order of Tibetan Buddhists, 1989 Nobel Peace Prize, b.1935)

 Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)

 Voltaire quotes (French Philosopher and Writer. One of the greatest of all French authors, 1694-1778)

 Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)

 Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)

 Thomas Jefferson quotes (American 3rd US President (1801-09). Author of the Declaration of Independence. 1762-1826)