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

[Intellectual courage is] the quality that allows one to believe in one's judgement in the face of disappointment and widespread skepticism. Intellectual courage is even rarer than physical courage.

The eye searches for shapes. It searches for a beginning, a middle, and an end.

Science exists, moreover, only as a journey toward troth. Stifle dissent and you end that journey.

It takes a trained and discerning researcher to keep the goal in sight, and to detect evidence of the creeping progress toward it.

Human dignity is better served by embracing knowledge.

Today, Academies of Science use their influence around the world in support of human rights.