Don't accept your dog's admiration as conclusive evidence that you are wonderful.
Argument is conclusive but it does not remove doubt so that the mind may rest in the sure knowledge of the truth unless it finds it by the method of experiment.
Nothing so conclusively proves a man's ability to lead others as what he does from day to day to lead himself.
I think that we had a different view of what the 21st century could be like with much more of a sense from our perspective of trying to have an interdependent world: looking at solving regional conflicts having strength in alliances operating within some kind of a sense that we were part of the international community and not outside of it.