“Only a proportion of each in one society can have nerve enough to grasp the banner of a new truth, and endurance enough to bear it along rugged and untrodden ways. … To insist on a whole community being made at once to submit to the reign of new practices and new ideas which have just begun to commend themselves to the most advanced speculative intelligence of the time—this, even if it were a possible process, would do much to make life impracticable and to hurry on social dissolution. … A new social state can never establish its ideas unless the persons who hold them confess them openly and give them an honest and effective adherence.”