Next to power without honor, the most dangerous thing in the world is power without humor.

Don't play for safety - it's the most dangerous thing in the world.

The most dangerous thing in the world is the sin of self-reliance and the stupor of worldliness.

The most dangerous thing for a branded product is low interest.

A little knowledge is a dangerous thing, but a little want of knowledge is also a dangerous thing.

If a little knowledge was a dangerous thing, a lot was lethal.