A puppy plays with every pup he meets, but an old dog has few associates.

Metaphysics is the science of proving what we don't understand.

Seneca devoted much of his time to writing essays in praise of poverty, and in lending money at usurious rates.

I think when the full horror of being fifty hits you, you should stay home and have a good cry.

True wisdom is plenty of experience, observation, and reflection. False wisdom is plenty of ignorance, arrogance, and impudence.

A good place to visit, but a poor place to stay.

It's not what we don't know that prevents us from succeeding; it's what we know that just ain't so that is our greatest obstacle.