It has become part of the accepted wisdom to say that the twentieth century was the century of physics and the twenty-first century will be the century of biology. – Freeman Dyson
The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence. – Freeman Dyson
What the world needs is a small, compact, flexible fusion technology that could make electricity where and when it is needed. The existing fusion program is leading to a huge source of centralized power, at a price that nobody except a government can afford. – Freeman Dyson
A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering. – Freeman Dyson