"一切总是在流动，它所呈现的形态一直在变化。"

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

“I don’t count my sit-ups; I only start counting when it starts hurting because they’re...”

“You get what you give. What you put into things is what you get out of them.”

“In the middle of difficulty lies opportunity”

“The expert in battle moves the enemy and is not moved by him.”

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

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

“Let us not seek the Republican answer or the Democratic answer but the right answer”

“Life is like riding a bicycle. To keep your balance, you must keep moving.”

“It is not the critic who counts; not the man who points out how the strong man stumbles, o...”

“In three words I can sum up everything I've learned about life: it goes on.”

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