"失敗とは、どんなものであれ、人生の目標を達成できないことです。"

“A life spent making mistakes is not only more honorable, but more useful than a life spent...”

“In the end it is about trying, failing and improving.”

“Difficulties break some men but make others”

“Your most unhappy customers are your greatest source of learning.”

“The key to immortality is first living a life worth remembering.”

“The greater the difficulty, the greater the glory”

“Do not pray for an easy life, pray for the strength to endure a difficult one.”

“The best way of learning about anything is by doing.”

“I am the master of my fate, I am the captain of my soul”

“To know your enemy, you must become your enemy.”

“Those who dare to fail miserably can achieve greatly.”

“Give me six hours to chop down a tree and I will spend the first four sharpening the axe.”