Business exists to supply goods and services to customers and economic surplus to society, rather than to supply jobs to workers and managers or even dividends to shareholders.

The most important thing in communication is hearing what isn't said.

Management is doing things right; leadership is doing the right things.

The greatest danger in times of turbulence is not the turbulence; it is to act with yesterday's logic.

Only three things happen naturally in organizations: friction, confusion, and underperformance. Everything else requires leadership.

Culture eats strategy for breakfast.

What gets measured gets managed.

The leader of the past was a person who knew how to tell. The leader of the future will be a person who knows how to ask.

Effective leadership is not about making speeches or being liked; leadership is defined by results not attributes.

The key to greatness is to look for people's potential and spend time developing it.

The purpose of information is not knowledge. It is being able to take the right action.

The trouble is you can shut your eyes but you can’t shut your mind.

I work with a lot of kids. Every year, for the past fifteen years, I work at Comedy Camp where I work with a lot of kids.

In terms of how I understand the online world, it doesn't just work in the old-fashioned way. You're not going to see billboards and a bunch of commercials. It's all viral.

The number one problem in the classroom is not discipline; it is the lack of procedures and routines.

You gotta know when to hold 'em, know when to fold 'em, know when to walk away, know when to run.

The wise man puts himself last and finds himself first.

I have always thought music as a way out of the ordinary mundane obligations of life.

A brave man's country is wherever he chooses his abode. [Lat., Patria est ubicumque vir fortis sedem elegerit.]

I'm not a success, I'm a sensation.

Throwing a knuckleball for a strike is like throwing a butterfly with hiccups across the street into your neighbor's mailbox.