Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
Ayn Rand quotes (Russian born American Writer and Novelist, 1905-1982)
Buddha quotes (Hindu Prince Gautama Siddharta, the founder of Buddhism, 563-483 B.C.)
Oscar Wilde quotes (Irish Poet, Novelist, Dramatist and Critic, 1854-1900)
Friedrich Nietzsche quotes (German classical Scholar, Philosopher and Critic of culture, 1844-1900.)
Ralph Waldo Emerson quotes (American Poet, Lecturer and Essayist, 1803-1882)
Plato quotes (Ancient Greek Philosopher He was the world's most influential philosopher. 428 BC-348 BC)
Henry David Thoreau quotes (American Essayist, Poet and Philosopher, 1817-1862)
