"你对别人越感兴趣，别人就会觉得你越有趣。要有趣，就要感兴趣。"

“The opportunity of defeating the enemy is provided by the enemy himself.”

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

“When you're at the end of your rope, tie a knot and hold on.”

“I often speak to people who wonder why they continue to fail. In many situations, they are...”

“An ounce of action is worth a ton of theory”

“The essence of strategy is choosing what not to do”

“To know your enemy, you must become your enemy.”

“You have to believe in the long-term plan you have but you need the short-term goals to mo...”

“Whether you think you can, or you think you can't—you're right.”

“A clever person solves a problem. A wise person avoids it.”

“Happiness depends upon ourselves.”

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