1) “Learn from the mistakes of others… you can’t live long enough to make them all yourselves!!” 2)”A person should not be too honest. Straight trees are cut first and Honest people are screwed first.” 3)”Even if a snake is not poisonous, it should pretend to be venomous.” 4)”There is some self-interest behind every friendship. There is no friendship without self-interests. This is a bitter truth.”