You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten.

We are made wise not by the recollection of our past, but by the responsibility for our future.

Thank you god for this good life and forgive us if we do not love it enough.

A guru is not someone who gives you the fish, but teaches you how to fish.

There is no limit to the powers of the human mind. The more concentrated it is, the more power is brought to bear on one point.

Nobody can do everything, but everybody can do something.