Tell me what company thou keepest and I'll tell thee what thou art.
The ass will carry his load, but not a double load; ride not a free horse to death.
The knowledge of yourself will preserve you from vanity.
There are but few proverbial sayings that are not true, for they are all drawn from experience itself, which is the mother of all sciences.
Experience is the universal mother of sciences.
Truth indeed rather alleviates than hurts, and will always bear up against falsehood, as oil does above water.