Believe not much them that seem to despise riches, for they despise them that despair of them.

Custom is the principle magistrate of man's life.

Observation and experiment for gathering material, induction and deduction for elaborating it: these are are only good intellectual tools.

When any of the four pillars of government-religion, justice, counsel, and treasure-are mainly shaken or weakened, men had need to pray for fair weather.

The logic now in use serves rather to fix and give stability to the errors which have their foundation in commonly received notions than to help the search for truth. So it does more harm than good.

I've had photographs taken for portraits because I very much prefer working from the photographs than from models... I couldn't attempt to do a portrait from photographs of somebody I didn't know.

Journeys at youth are part of the education; but at maturity, are part of the experience.