Never argue at the dinner table, for the one who is not hungry gets the best of the argument.

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.

It is the neglect of timely repair that makes rebuilding necessary.

It is also important to guard against mistaking for good-nature what is properly good-humor,--a cheerful flow of spirits and easy temper not readily annoyed, which is compatible with great selfishness.

Unless people can be kept in the dark, it is best for those who love the truth to give them the full light.

It is a good plan, with a young person of a character to be much affected by ludicrous and absurd representations, to show him plainly by examples that there is nothing which may not be thus represented. He will hardly need to be told that everything is not a mere joke.

Falsehood, like the dry-rot, flourishes the more in proportion as air and light are excluded.