I don't sing because I'm happy; I'm happy because I sing.

Tell him to live by yes and no - yes to everything good, no to everything bad.

Man, whatever else he may be, is primarily a practical being, whose mind is given him to aid in adapting him to this world's life

True ideas are those that we can assimilate, validate, corroborate, and verify. False ideas are those that we cannot

Genius... means little more than the faculty of perceiving in an unhabitual way.

The difference between objective and subjective extension is one of relation to a context solely.

Intelligence is a fixed goal with variable means of achieving it.