What I've really learned over time is that optimism is a very very important part of leadership.

And I'd say one of the great lessons I've learned over the past couple of decades from a management perspective is that really when you come down to it it really is all about people and all about leadership.

Leadership cannot really be taught. It can only be learned.

The tree of knowledge is not the tree of life! And yet can we cast out of our spirits all the good or evil poured into them by so many learned generations? Ignorance cannot be learned.

The most important thing I learned as a foreign correspondent in about 80 countries is that it takes a very shallow knowledge of history to think that there are solutions to most problems.

I hope to attend it as Japan needs to tell the world the lessons knowledge and reflections learned from the nuclear crisis at the Fukushima No. 1 power plant.

Learned men are the cisterns of knowledge not the fountainheads.

I have learned throughout my life as a composer chiefly through my mistakes and pursuits of false assumptions not by my exposure to founts of wisdom and knowledge.

Successful organizations including the Military have learned that the higher the risk the more necessary it is to engage everyone's commitment and intelligence.

The bookful blockhead ignorantly read With loads of learned lumber in his head.