As a science, logic institutes an analysis of the process of the mind in reasoning, and investigating the principles on which argumentation is conducted; as an art, it furnishes such rules as may be derived from those principles, for guarding against erroneous deductions.

Nothing but the right can ever be expedient, since that can never be true expediency which would sacrifice a great good to a less.

There is no right faith in believing what is true, unless we believe it because it is true.

The power of duly appreciating little things belongs to a great mind.

A man will never change his mind if he have no mind to change.

Even supposing there were some spiritual advantage in celibacy, it ought to be completely voluntary.

As a science, logic institutes an analysis of the process of the mind in reasoning, and investigating the principles on which argumentation is conducted; as an art, it furnishes such rules as may be derived from those principles, for guarding against erroneous deductions.