Don't listen to the person who has the answers; listen to the person who has the questions.
You can't solve problems with the same thinking that caused them.
People love chopping wood. In this activity one immediately sees results.
[Ernest Rutherford is]...a second Newton.
To be free means to be independent, not to be influenced by what others think and say.
The world is not full of evil because of those who do wrong. It is full of evil because of those who do nothing.