"The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself."
- Carl Sagan
"Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars."
- Carl Sagan
"Extinction is the rule. Survival is the exception."
- Carl Sagan
"Nothing demoralizes like uncertainty."
- Shay Hill
"Very little is needed to make a happy life; it is all within yourself in your way of thinking."
- Marcus Aurelius
"Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present."
- Marcus Aurelius
"If you have a garden and a library, you have everything you need."
- Cicero
"Waste no more time arguing about what a good man should be. Be one."
- Marcus Aurelius
"The happiness of your life depends upon the quality of your thoughts."
- Marcus Aurelius
"A room without books is like a body without a soul."