Don't lie, but don't tell the whole truth.
Life is a warfare against the malice of others.
Hope is a great falsifier. Let good judgment keep her in check.
If to talk to oneself when alone is folly, it must be doubly unwise to listen to oneself in the presence of others.
An ounce of prudence is worth a pound of cleverness.
Maturity is the slowness in which a man believes.