"Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another."

"It is literally true that you can succeed best and quickest by helping others to succeed."

"Persistence is to the character of man as carbon is to steel."

"Patience, persistence and perspiration make an unbeatable combination for success."

"I think a submarine is a very worthwhile weapon. I believe we can defend ourselves with submarines and all our troops back at home. This whole idea that we have to be in 130 countries and 900 bases... is an old-fashioned idea."

"There are old heads in the world who cannot help me by their example or advice to live worthily and satisfactorily to myself but I believe that it is in my power to elevate myself this very hour above the common level of my life."

"The only limit to human potential is the echo of our deeds ripples through eternity."

"I've always believed in God. I also think that's the sort of thing that either comes as part of the equipment, the capacity to believe, or at some point in your life, when you're in a position where you actually need help from a power greater than yourself, you simply make an agreement."