Steam becomes a mighty power only when it allows itself to be imprisoned in a strong little reservoir, produces tremendous motion and carries huge weights by permitting itself a tiny and measured outlet.
The discovery of truth is prevented more effectively, not by the false appearance things present and which mislead into error, not directly by weakness of the reasoning powers, but by preconceived opinion, by prejudice.
The analytical power should not be confounded with simple ingenuity; for while the analyst is necessarily ingenious, the ingenious man is often remarkably incapable of analysis.