Because ideas have to be original only with regard to their adaptation to the problem at hand, I am always extremely interested in how others have used them...

The destination of the seeker… depends on the road he takes.

Few things are impossible to diligence and skill. Great works are performed not by strength, but perseverance.

Boredom is one of the most blissful feelings.

Once you start a working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest.

Dad, you've done a lot of great things, but you're a very old man, and old people are useless.

You've got to be very careful if you don't know where you're going, because you might not get there.

Success is most often achieved by those who don't know that failure is inevitable.

It's a terrible thing to look over your shoulder when you are trying to lead - and find no one there

When asked, 'How do you write?' I invariably answer, 'one word at a time.'

There is nothing impossible to him who will try.

The way to screw up somebody's life is to give them what they want.

It is amazing how much can be accomplished if no one cares who gets the credit.

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

When things go wrong don't go with them

I never pick up an item without thinking of how I might improve it.

Great companies are built on great products.

The more you are in this business, the more humbled by it you become.

Percentages are why I am rich.

There is little success where there is little laughter.

Purity, patience, and perseverance are the three essentials to success and, above all, love.