The conscience is the most flexible material in the world. Today you cannot stretch it over a mole hill; while tomorrow it can hide a mountain. – Edward George Bulwer-Lytton
Anyone who proposes to do good must not expect people to roll stones out of his way, but must accept his lot calmly, even if they roll a few stones upon it. – Albert Schweitzer
A blind man knows he cannot see, and is glad to be led, though it be by a dog; but he that is blind in his understanding, which is the worst blindness of all, believes he sees as the best, and scorns a guide. – Samuel Butler