"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."

“Get busy living or get busy dying”

“What you’re thinking is what you’re becoming.”

“Action speaks louder than words”

“I am seeking, I am striving, I am in it with all my heart.”

“Today is your day, your mountain is waiting. So get on your way.”

“The supreme art of war is to subdue the enemy without fighting.”

“Do not judge me by my successes, judge me by how many times I fell down and got back up again.”

“If you really want to do something, you’ll find a way. If you don’t, you’ll find an excuse.”

“Everything that happens happens as it should, and if you observe carefully, you will find ...”

“Don't let the fear of losing be greater than the excitement of winning”

“You have power over your mind—not outside events. Realize this, and you will find strength ”

“The future depends on what we do in the present.”