Great spirits have always faced violent opposition from mediocre minds

Albert Einstein

Nothing is so fatiguing as the eternal hanging on of an uncompleted task.

William James 

Slechts 45% van alle gerealiseerde functies in een eindproduct wordt ook daadwerkelijk gebruikt.

Jacobs

Customers never know what they want until they see what they get.

John F. Sowa

Success is achieved by development of our strengths, not by elimination of our weakness.

Marilyn Vos Savant

Als je doet wat je deed, dan krijg je wat je kreeg.

Johan Cruyff

Wat je in anderen wilt ontsteken, moet in jezelf branden.

Aurelius Augustinus

Quality is not an act, it is a habit.

Aristotle

Key to victory is deciding which battles to fight -and, above all, which battles not to fight.

Sun-Tzu

A goal properly set is halfway reached.

Zig Ziglar 

Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

Lou Holtz

Coming together is a beginning. Keeping together is progress. Working together is success.

Henry Ford

Vision is the art of seeing the invisible.

Jonathan Swift

I have no special talents. I am only passionately curious.

Albert Einstein

Change means movement. Movement means friction. Only in the frictionless vacuum of a nonexistent abstract world can movement or change occur without that abrasive friction of conflict.

Saul Alinsky

The first problem for all of us, men and women, is not to learn, but to unlearn.

Gloria Steinem

In times of change, learners inherit the Earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.

Eric Hoffer

If you would attain to what you are not yet, you must always be displeased by what you are. For where you are pleased with yourself there you have remained. Keep adding, keep walking, keep advancing.

Saint Augustine

Management by objectives works - if you first think through your objectives. Ninety percent of the time you haven't.

Peter Drucker

So much of what we call management consists in making it difficult for people to work.

Peter Drucker

Focus on a few key objectives ... I only have three things to do. I have to choose the right people, allocate the right number of dollars, and transmit ideas from one division to another with the speed of light. So I'm really in the business of being the gatekeeper and the transmitter of ideas.

Jack Welch

Good management is the art of making problems so interesting and their solutions so constructive that everyone wants to get to work and deal with them.

Paul Hawken

People are definitely a company’s greatest asset. It doesn't make any difference whether the product is cars or cosmetics. A company is only as good as the people it keeps.

Mary Kay Ash

A predictable organization does not guess about the future and call it a plan; it develops the capacity to rapidly respond to the future as it unfolds.

Mary and Tom Poppendieck

If you always do what you always did,
You will always get what you always got