Induction is a process of inference; it proceeds from the known to the unknown.

[I] put the question directly to myself: "Suppose that all your objects in life were realized; that all the changes in institutions and opinions which you are looking forward to, could be completely effected at this very instant: would this be a great joy and happiness to you?" And an irrepressible self-consciousness distinctly answered, "No!

The successful conduct of an industrial enterprise requires two quite distinct qualifications: fidelity and zeal.

There are many truths of which the full meaning cannot be realized until personal experience has brought it home.

Both teachers and learners go to sleep at their post as soon as there is no enemy in the field.

Truth emerges from the clash of adverse ideas.

To think that because those who wield power in society wield in the end that of government, therefore it is of no use to attempt to influence the constitution of the government by acting on opinion, is to forget that opinion is itself one of the greatest active social forces. One person with a belief is a social power equal to ninety-nine who have only interests.