Observe, record, tabulate, communicate. Use your five senses. Learn to see, learn to hear, learn to feel, learn to smell, and know that by practice alone you can become expert.

It is not... That some people do not know what to do with truth when it is offered to them, But the tragic fate is to reach, after patient search, a condition of mind-blindness, in which. The truth is not recognized, though it stares you in the face.

Gentlemen, I have a confession to make. Half of what we have taught you is in error, and furthermore we cannot tell you which half it is

Jaundice is the disease that your friends diagnose.

The great majority gave no signs one way or the other; like birth, their death was a sleep and a forgetting.

No bubble is so iridescent or floats longer than that blown by the successful teacher.

The greater the ignorance the greater the dogmatism.