We must risk going too far to discover just how far we can go.

To get to where you want to be in the next 5 years, you are either reading the right books or you're not

The reason why I spend so much money for my journals is to press me to find something valuable to put in them.

Count the cost first. Don’t pay too big a price for pursuing minor values.

When people asked Socrates, ‘What is wisdom?’ he always gave the same answer: ‘I don’t know’. In fact, Socrates never claimed to know much of anything except how to ask questions. And by asking questions, he would prove to other people that they didn’t know what they thought they knew.

Whether you stay six weeks, six months or six years, always leave it better than you found it.

You can make startling changes you can’t even conceive of right now, if you just give yourself half a chance.