The share which I had in the political struggles of the last part of the nineteenth century put my early convictions to a severe test. I was a revolutionary in the cause of justice; I was convinced that liberty, equality, and fraternity were the legitimate fruit to be expected of a republic. Seeing, therefore, no other way to attain this ideal but a political agitation for a change of the form of government, I devoted myself entirely to the republican propaganda.I My relations with D. Manuel Ruiz Zorrilla, who was one of the leading figures in the revolutionary movement, brought me into contact with a number of the Spanish revolutionaries and some prominent French agitators, and my intercourse with them led to a sharp disillusion. I detected in many of them an egoism which they sought hypocritically to conceal, while the ideals of others, who were more sincere, seemed to me inadequate. In none of them did I perceive a design to bring about a...