"وظیفه اساسی در استراتژی یافتن راهی برای دستیابی به یک مزیت رقابتی پایدارتر نسبت به رقیب یا رقبا است"

“A friend to all is a friend to none.”

“When anger rises, think of the consequences.”

“When something is important enough, you do it even if the odds are not in your favor.”

“The more sand has escaped from the hourglass of our life, the clearer we should see through it”

“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...”

“You can close your eyes to the things you don’t want to see, but you can’t close your ...”

“The only true wisdom is in knowing you know nothing”

“You're under no obligation to be the same person you were 5 minutes ago.”

“It is during our darkest moments that we must focus to see the light.”

“The opposite of love is not hate, it's indifference. The opposite of art is not ugliness, ...”

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