"علم چیست، چه چیزی نیست و چگونه و چرا کار می‌کند، دقیقاً همان اطلاعاتی است که باید به دانش‌آموزان منتقل شود."

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

“Difficulties break some men but make others”

“Don’t count the days; make the days count.”

“Courage is not having the strength to go on; it is going on when you don't have the strength.”

“You can become blind by seeing each day as a similar one. Each day is a different one, eac...”

“One day you will wake up and there won’t be any more time to do the things you’ve alwa...”

“Insanity is doing the same thing over and over and expecting different results.”

“The most we can hope for is to create the best possible conditions for success, then let g...”

“The simple things are also the most extraordinary things, and only the wise can see them.”

“Logic will get you from A to B. Imagination will take you everywhere”

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

“The quieter you become, the more you are able to hear.”