LECTURE IV.
OBJECTIONS.
IT may be quite true that controversy often does more harm than good, that it encourages the worst of all talents, that of plausibility, not to say dishonesty, and generally leaves the world at large worse confounded than it was before. It has been said that no clever lawyer would shrink from taking a brief to prove that the earth forms the centre of the world, and, with all respect for English Juries, it is not impossible that even in our days he might gain a verdict against Galileo. I do not deny that there is a power and vitality in truth which in the end overcomes and survives all opposition, as shown by the very doctrine of Galileo which at present is held by hundreds and thousands who would find it extremely difficult to advance one single argument in its support. I am ready to admit also that those who have done the best work, and have contributed most largely toward the advancement of knowledge and the progress of truth, have seldom wasted their time in controversy, but have marched on straight, little concerned either about applause on the right or abuse on the left. All this is true, perfectly true, and yet I feel that I cannot escape from devoting the whole of a lecture to the answering of certain objections which have been raised against the views which I have put forward with regard to the cha-
