Man's wisdom is his best friend folly his worst enemy.

That intelligence capability is enormously important to the United States, to our conduct of foreign policy, to defense matters, to economic matters. And I am a strong supporter of it.

Foolish the doctor who despises the knowledge acquired by the ancients.

Wisdom is the God-given ability to see life with rare objectivity and to handle life with rare stability.

I learned to work on a computer years before I was placed under house arrest. Fortunately I had two laptops when I was under house arrest - one an Apple and one a different operating system. I was very proud of that because I know how to use both systems.

But without wisdom, imagination is like a cruel taskmaster.

There are many aspects to success; material wealth is only one component. ...But success also includes good health, energy and enthusiasm for life, fulfilling relationships, creative freedom, emotional and psychological stability, a sense of well-being, and peace of mind.

To know what to leave out and what to put in; just where and just how, ah, that is to have been educated in knowledge of simplicity.

To know is not to be wise. To know how to use knowledge is to have wisdom.

Knowledge is a sacred cow, and my problem will be how we can milk her while keeping clear of her horns.

...because knowledge rapidly deteriorates unless it is used constantly, maintaining within an organization an activity that is used only intermittently guarantees incompetence.

I find that I can have no enjoyment in the world but the continual drinking of knowledge. I find there is no worthy pursuit but the idea of doing some good for the world.