The role of the artist is to ask questions, not answer them.

Old Professors never die, they just lose their faculties.

There is nothing more difficult to carry out, nor more doubtful of success, nor more dangerous to handle, that to institute a new order of things

Price is what you pay. Value is what you get.

The successful leader must be willing to assume responsibility for the mistakes and the shortcomings of his followers.

I am thankful to all those who said NO to me. It's because of them I did it myself.

No man can taste the fruits of autumn while he is delighting his scent with the flowers of spring.

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

To know what people really think, pay regard to what they do, rather than what they say.

Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal.

For the bureaucrat, the world is a mere object to be manipulated by him.

Thinking is the hardest work there is, which is probably the reason so few engage in it.

Don't mistake activity with achievement.

Whether it's Google or Apple or free software, we've got some fantastic competitors and it keeps us on our toes.

If you treat people right they will treat you right - ninety percent of the time.

You may have to fight a battle more than once to win it.

The finest task for an Engineer – to survey, to plan, to suggest resources and material, assemble them for task in hand, implement and produce results.

You never achieve success unless you like what you are doing.

Inspiration exists, but it has to find you working.

The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.

Real success can only come if there is a change in our societies and in our economics and in our politics.