It is one of the commonest of mistakes to consider that the limit of our power of perception is also the limit of all there is to perceive. – C.W. Leadbeater
Three passions, simple but overwhelming, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind. – Bertrand Russell, Autobiography, 1967
Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined and for this reason, creative geniuses are not common. – Denis Diderot
In the last fifty years science has advanced more than in the 2,000 previous years and given mankind greater powers over the forces of nature than the ancients ascribed to their gods. – John Boyd Orr
