"منطقة التطور القريب تحدد تلك الوظائف التي لم تنضج بعد ولكنها في طور النضوج"

“The only real mistake is the one from which we learn nothing.”

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

“Let your actions do your talking for you.”

“The beginning is perhaps more difficult than anything else, but keep heart, it will turn o...”

“The greater the difficulty, the greater the glory”

“Doors will slam in your face. You must pick yourself up, dust yourself off, and knock agai...”

“When the outlook is bright, bring it before their eyes; but tell them nothing when the sit...”

“If you don't like something, change it. If you can't change it, change your attitude.”

“If you've got an idea, start today. There's no better time than now to get going”

“Have no fear of perfection - you'll never reach it.”

“We delight in the beauty of the butterfly, but rarely admit the changes it has gone throug...”

“It’s you vs. you.”