Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but to vigorous debate, and in many respects that's the secret of its success.
Heroism works in contradiction to the voice of mankind and in contradiction, for a time, to the voice of the great and good. Heroism is an obedience to a secret impulse of an individual
We have all our private terrors, our particular shadows, our secret fears. We are afraid in a fear which we cannot face, which none understands, and our hearts are torn from us, our brains unskinned like the layers of an onion, ourselves the last.
This campaign of non-cooperation has no reference to diplomacy, secret or open. The only diplomacy it admits of is the statement and pursuance of truth at any cost.
That which is impenetrable to us really exists. Behind the secrets of nature remains something subtle, intangible, and inexplicable. Veneration for this force beyond anything that we can comprehend is my religion.
My turning point was my pilgrimage to Santiago de Compostela. It was then that I, who had dedicated most of my life to penetrate the 'secrets' of the universe, realized that there are no secrets. Life is and will always be a mystery.