Example is not the main thing in influencing others. It is the only thing.

Albert Schweitzer

The only man who never makes a mistake is the man who never does anything.

Theodore Roosevelt

Het element 
Als passie en talent samenkomen
Ken Robinson

Bij Managementboek.nl | Bol.com

Courage is the art of being the only one who knows you're scared to death.

Harold Wilson

Focus on something that stirs your soul, it's hard to excel at anything that you don't love.

Susan Rice

Informatiemanagement
Laury Bollen, Mark Vluggen e.a.

Bij Managementboek.nl | Bol.com

It's not what you are that holds you back, it's what you think you are not.

Denis Waitley