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

The applause is a celebration not only of the actors but also of the audience. It constitutes a shared moment of delight.

Scientia is knowledge. It is only in the popular mind that it is equated with facts.

A new sense of shared international responsibility is unmistakable in the voices of the United Nations and its agencies, and in the civil society of thousands of supra-national NGOs.

Idealism is the highest form of reason.

Science is an enterprise that can only flourish if it puts the truth ahead of nationality, ethnicity, class and color.

Reality is no less precious if it presents itself to someone else. All are discoverers, and if we disenfranchise any, all suffer.