"Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option."
"It is better to travel well than to arrive."
Buddha on Travel"Perhaps travel cannot prevent bigotry, but by demonstrating that all peoples cry, laugh, eat, worry, and die, it can introduce the idea that if we try and understand each other, we may even become friends."
Maya Angelou on Travel"One travels more usefully when alone, because he reflects more."
Thomas Jefferson on Travel"Though we travel the world over to find the beautiful, we must carry it with us or we find it not."
Ralph Waldo Emerson on Travel"The World is a book, and those who do not travel read only a page."
Saint Augustine on Travel"When you buy a gallon of gas, over 60 percent of the energy you pay for goes out the radiator in the form of waste heat? That's why you have a radiator in your car in the first place."
"We need the kind of leadership exemplified by President Kennedy to just do it! But we must do it as good stewards, aggressively exerting control over the moon. We can best do this by going there."