“What right do we have to dream of another world, if we can’t take care of this one.”— George A. Gomez Related Quotes “In the last fifty years science has advanced more than in the 2,000 previous years and given mankind greater powers over the forces of nature than the ancients ascribed to their gods.”– John Boyd Orr “The universe is in fact a multiverse.”— Claudia Gray “Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science sometimes requires courage – at the very least the courage to question the conventional wisdom.”— Carl Sagan