Psychology Ought Certainly To Give The Teacher

Our Ideas Must Agree With Realities, Be Such Realities Concrete Or Abstract, Be They Facts Or Be They Principles, Under Penalty Of Endless Inconsistency And Frustration.

A Good Hypothesis In Science Must Have Other Properties Than Those Of The Phenomenon It Is Immediately Invoked To Explain, Otherwise It Is Not Prolific Enough.

A Chain Is No Stronger Than Its Weakest Link, And Life Is After All A Chain.

It Is Your Friends Who Make Your World.

If This Life Is Not A Real Fight, In Which Something Is Eternally Gained For The Universe By Success, It Is No Better Than A Game Of Private Theatricals From Which One May Withdraw At Will. But It Feels Like A Real Fight.