I don't like that man. I must get to know him better.

You don't have to be great to start, but you have to start to be great

Do one thing at a time, and while doing it put your whole soul into it to the exclusion of all else.

To invent, you need a good imagination and a pile of junk.

If you do not change direction, you may end up where you are heading.

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

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

One can have no smaller or greater mastery than mastery of oneself.

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

He who will not economize will have to agonize.

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

Try not to become a man of success but rather to become a man of value.

But Marge, what if we chose the wrong religion? Each week we just make God madder and madder.

Be interesting, be enthusiastic... and don't talk too much.

For it is commonly said: accomplished labours are pleasant.

Boredom is one of the most blissful feelings.

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

To solve any problem, here are three questions to ask yourself: First, what could I do? Second, what could I read? And third, who could I ask?

Discipline is the bridge between goals and accomplishment.

Make the lie big, make it simple, keep saying it, and eventually they will believe it

There is one weakness in people for which there is no remedy. It is the universal weakness of lack of ambition.