"انسان‌ها افتخار مشکوکی دارند که مرگبارترین گونه‌ها در تاریخچه حیات هستند"

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

“Love the life you live. Live the life you love.”

“Great minds discuss ideas; average minds discuss events; small minds discuss people”

“Stop letting people who do so little for you control so much of your mind, feelings and emotions.”

“Nothing in the world is ever completely wrong. Even a stopped clock is right twice a day.”

“There is no way around hard work, embrace it”

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

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

“If you have an enemy, then learn and know your enemy, don’t just be mad at him or her.”

“First they ignore you, then they laugh at you, then they fight you, then you win.”

“Mistakes are the portals of discovery”

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