If in other sciences we should arrive at certainty without d... - Francis Bacon

"Hope is a good breakfast, but it is a bad supper."

"Some books should be tasted, some devoured, but only a few should be chewed and digested thoroughly."

"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..."

"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."

"For the things of this world cannot be made known without a knowledge of mathematics."