For science must breathe the oxygen of freedom.

Freedom is the oxygen without which science cannot breathe.

Young people ask me if this country is serious about science. They aren't thinking about the passport that they will hold, but the country that they must rely on for support and encouragement.

Authority in science exists to be questioned, since heresy is the spring from which new ideas flow.

Every one, we, we homosexuals, are people, and we need our oxygen to breathe.

Science never gives up searching for truth, since it never claims to have achieved it.