The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
The cure for a fallacious argument is a better argument, not the suppression of ideas
She had studied the universe all her life, but had overlooked its clearest message: For small creatures such as we the vastness is bearable only through love.