Zénon

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”
― Albert Einstein

“All the darkness in the world cannot extinguish the light of a single candle.”
― St. Francis Of Assisi, The Little Flowers of St. Francis of Assisi

“For instance, on the planet Earth, man had always assumed that he was more intelligent than dolphins because he had achieved so much—the wheel, New York, wars and so on—whilst all the dolphins had ever done was muck about in the water having a good time. But conversely, the dolphins had always believed that they were far more intelligent than man—for precisely the same reasons.”
― Douglas Adams, The Hitchhiker’s Guide to the Galaxy

“Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.”
― H. Jackson Brown Jr., P.S. I Love You