Pure truth cannot be assimilated by the crowd; it must be communicated by contagion.
Sacrifice still exists everywhere, and everywhere the elect of each generation suffers for the salvation of the rest.
Sympathy is the first condition of criticism.
Nothing resembles pride so much as discouragement.
There is no curing a sick man who believes himself to be in health.
It gives liberty and breadth to thought, to learn to judge our own epoch from the point of view of universal history, history from the point of view of geological periods, geology from the point of view of astronomy.