It is not that I'm so smart. But I stay with the questions much longer.

Albert Einstein

If you can't explain it to a six year old, you don't understand it yourself.

Albert Einstein

A clever person solves a problem. A wise person avoids it.

Albert Einstein

Learn from yesterday, live for today, hope for tomorrow. The important thing is to not stop questioning.

Albert Einstein

I'd rather be an optimist and a fool than a pessimist and right.

Albert Einstein

If I had an hour to solve a problem I'd spend 55 minutes thinking about the problem and 5 minutes thinking about solutions.

Albert Einstein

I never made one of my discoveries through the process of rational thinking

Albert Einstein

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

Albert Einstein

Ik heb geen tijd om een korte brief te schrijven, dus schrijf ik maar een lange.

Winston Churchill

Institutions will try to preserve the problem to which they are the solution.

Clay Shirky

We cannot solve problems by using the same kind of thinking we used when we created them.

Albert Einstein

You see things and ask why. I dream things and ask why not.

George Bernard Shaw

Hou op met nadenken over wát je ziet, denk na over waaróm je het ziet.

Deepak Chopra

Angst verwijdt de pupil, doch vernauwt de blik

Frans Hiddema

Alleen degenen die zich het heden ook anders kunnen voorstellen dan het bestaande, hebben toekomst.

Theodor Adorno

Energie liegt nooit.

Logic brings you from A to B, imagination brings you everywhere.

Albert Einstein

Als je focust op het doel, vallen de barrières. Als je focust op de barrières, valt het doel.

Napoleon Hill

Als je het proces ter harte neemt, dan zorgt het doel wel voor zichzelf.

Mahatma Ghandi

What always made me different was my ability to ask the most child-like questions.

Albert Einstein

Anders is niet altijd beter, maar als het beter moet is het wel altijd anders.

vrij naar Jan Hanlo  

For the real question is whether a 'brighter future' is really always so distant. What if, on the contrary, it has been here for a long time already, and only our own blindness and weakness has prevented us from seeing it around us and within us, and kept us from developing it.

Václav Havel

Imagination is more important than knowledge.

Albert Einstein

Sound structure is a prerequisite to organizational health; but it is not healt itself. The test of a healthy business is not the beauty, clarity, or perfection of its organization structure. It is the performance of people.

Peter Drucker

Essentially, all models are wrong, but some are useful.

George E.P. Box