"God has, in fact, written two books, not just one. Of course, we are all familiar with the first book he wrote, namely Scripture. But he has written a second book called creation."
"Some books should be tasted, some devoured, but only a few should be chewed and digested thoroughly."
"Philosophy when superficially studied, excites doubt, when thoroughly explored, it dispels it."
"Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand--and melting like a snowflake..."
"It is impossible to love and to be wise."
"The momentous thing in human life is the art of winning the soul to good or evil."