"معلم باید نه تنها توانایی بلکه میل به مشاهده پدیده‌های طبیعی را در خود ایجاد کند. معلم باید موقعیت خود را به عنوان ناظر درک کند و احساس کند: فعالیت باید در پدیده باشد."

“The fear of death follows from the fear of life. A man who lives fully is prepared to die ...”

“You have to be willing to be misunderstood if you're going to innovate.”

“All you have to do is pay attention: lessons always arrive when you are ready.”

“Life isn’t how many breaths you take, but it’s the moments that take your breath away.”

“There’s two sorts of fear: one you embrace and one you should listen to and turn the other way”

“When the enemy is relaxed, make them toil. When full, starve them. When settled, make them move.”

“Great things come from hard work and perseverance. No excuses.”

“I think a role model is a mentor – someone you see on a daily basis, and you learn from them.”

“Without deviation from the norm, progress is not possible”

“I believe in karma. That means I can do bad things to you all day long and I assume you deserve it.”

“God does not play dice with the universe.”

“When your army has crossed the border, you should burn your boats and bridges, in order to...”