Strength is derived from unity. The range of our collective vision is far greater when individual insights become one.

Pittsburgh entered the core of my heart when I was a boy and cannot be torn out.

I demand riches in definite terms; I have a definite plan for acquiring riches;I am engaged in carrying out my plan, and I am giving an equivalent,in useful service, of the value of those riches I demand.

I have had a long, long life full of troubles, but there is one curious fact about them-nine-tenths of them never happened.

In [my] life ... I did not understand steam machinery, but I tried to understand that much more complicated piece of mechanism - man.

Teamwork appears most effective if each individual helps others to succeed, increasing the synergy of that team; ideally, every person will contribute different skills to increase the efficiency of the team and develop its unity.

Do real and permanent good in this world.