There are three secrets to managing. The first secret is have patience. The second is be patient. And the third most important secret is patience.

Each department of knowledge passes through three stages. The theoretic stage the theological stage and the metaphysical or abstract stage.

Perhaps as good a classification as any of the main types is that of the three lusts distinguished by traditional Christianity - the lust of knowledge the lust of sensation and the lust of power.

So I'd be quite happy to have a three-hour Lincoln-Douglas-style debate with Barack Obama. I'd let him use a teleprompter. I'll just rely on knowledge. We'll do fine.

Knowledge the object of knowledge and the knower are the three factors which motivate action the senses the work and the doer comprise the threefold basis of action.

There are three principal means of acquiring knowledge... observation of nature reflection and experimentation. Observation collects facts reflection combines them experimentation verifies the result of that combination.

Three passions simple but overwhelmingly strong have governed my life: the longing for love the search for knowledge and unbearable pity for the suffering of mankind.

Human behavior flows from three main sources: desire emotion and knowledge.

We have three centers: the emotional center the intellectual center and the physical body center. Each one of them has its own intelligence. How much better would we be if all three were working in unison?

Three-quarters of the sicknesses of intelligent people come from their intelligence. They need at least a doctor who can understand this sickness.