The effectiveness of work increases according to geometric progression if there are no interruptions.
Calm open debate and logical thought drive strength to its maximum effectiveness.
To me success means effectiveness in the world that I am able to carry my ideas and values into the world - that I am able to change it in positive ways.
If you improve a teacher's self-esteem confidence communication skills or stress levels you improve that teacher's overall effectiveness across the curriculum.
A business of high principle generates greater drive and effectiveness because people know that they can do the right thing decisively and with confidence.