Jeometry

“If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle.”
― Sun Tzu, The Art of War

“Appear weak when you are strong, and strong when you are weak.”
― Sun Tzu, The Art of War

“He wins his battles by making no mistakes.
Making no mistakes is what establishes the certainty of victory, for it means conquering an enemy that is already defeated.”
― Sun Tzu, The Art of War

“When one door closes another door opens; but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us.”
― Alexander Graham Bell