When curiosity turns to serious matters, it's called research.

Even a stopped clock is right twice every day. After some years, it can boast of a long series of successes.

There are women who love their husbands as blindly, as enthusiastically, and as enigmatically as nuns their cloister.

One thought cannot awake without awakening others.

Deep learning doesn't shine.

A book cannot easily be too bad for the general public, but may easily be too good.

To have and not to give is often worse than to steal.