Opposites Are Not Contradictory But Complementary.

An Expert Is A Man Who Has Made All The Mistakes Which Can Be Made, In A Narrow Field.

It Is Difficult To Predict, Especially The Future.

How Wonderful That We Have Met With A Paradox. Now We Have Some Hope Of Making Progress.

The Opposite Of Every Great Idea Is Another Great Idea.

Sometimes The Child In One Behaves A Certain Way And The Rest Of Oneself Follows Behind, Slowly Shaking Its Head.