It is often merely for an excuse that we say things are impossible.
The future belongs to those who believe in the beauty of their dreams.
Be not forgetful to entertain strangers, for thereby some have entertained angels unawares.
It is possible to fly without motors, but not without knowledge and skill.
The race is not [always] to the swift, nor the battle to the strong.
Your most precious possession is not your financial assets. Your most precious possession is the people you have working there, and what they carry around in their heads, and their ability to work together.
To manage a system effectively, you might focus on the interactions of the parts rather than their behavior taken separately.
It is not a question of how well each process works, the question is how well they all work together.