"What everyone in the astronaut corps shares in common is not gender or ethnic background, but motivation, perseverance, and desire - the desire to participate in a voyage of discovery"
"We need to redefine the role of the teacher from that of the transmitter of knowledge to that of a researcher, co-learner, and partner in the process of constructing knowledge"
"Art owes its origin to Nature herself... this beautiful creation, the world, supplied the first model, while the original teacher was that divine intelligence which has not only made us superior to the other animals, but like God Himself, if I may venture to say it"