The courageous man is the man who forces himself, in spite of his fear, to carry on.
When in doubt, observe and ask questions. When certain, observe at length and ask many more questions.
When there is fear of failure, there will be failure.
A leader is a man who can adapt principles to circumstances.
Take calculated risks.
There's only one way for a professional soldier to die. That's from the last bullet of the last battle of the last war.