Do you agree or disagree that "A politician lies,a businessm

Do you agree or disagree that "A politician lies,a businessman cheats,a scholar tells the truth.Present your argument with clear opinions supported by convincing details.”

I agree that "A politician lies,a businessman cheats,a scholar tells the truth."
First everyone remembers when America wanted to begin a good relation with China in 1971.They sent an officer to connect with China.But they didn't say he was goning to China but to visit Bakistan.Then he pretended he was ill and had to have rest.So he could have chance to go to Beijing secretly.Now you see A politician lies.
Second when you step into a market you want to buy a coat.When you ask the price the seller will tell you that it's two hundred yuan.you'll think it's too high.When you bargin with him.the seller will say I can't buy it myself.If you are sure to give up,you turn around and get ready to leave.Now the seller will all you back and say :"I'll earn nothing to let you have it.You can have it at one hundred yuan."Do you believe his word?If he earns nothing why will he sell it?So you see a businessman cheats.
Last Let's go back to the classroom.Although the society is full of new things.But in the school you'll follow the scholar to make progress step by step.What the scholar said is all the result of the practice of the people.You see China has sent spaceships with people into the universe.How could they succeed?All the people followed the scholars' words.Don't you think a scholar tells the truth?
In a word "A politician lies,a businessman cheats,a scholar tells the truth."