The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

• Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out.
• I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students.
• The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
• A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.
• Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out.
• Imagination will often carry us to worlds that never were. But without it we go nowhere.
• The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
• Science is a way of thinking much more than it is a body of knowledge.
• Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out.
• For small creatures such as we the vastness is bearable only through love.