21-----Too good to be ture
　　
　　This is often used to warn about advertising¹. An offer looks good but turns out to be misleading.
　　
　　22-----Flattery will get you nowhere
　　
　　If flattery (insincere praise) is recognized, it will not succeed. One sometimes hears the opposite, Flattery will get you everywhere.
　　
　　23-----There is no such thing as a free lunch
　　
　　If someone you do not know offers you a free lunch or other gift, watch out. The gift may be a method of getting something from you.
　　
　　24------Pride goes before a fall
　　
　　Do not be over-confident and careless. Your circumstances may change quickly and the emptiness of your bragging² will be exposed.
　　
　　25------Better safe than sorry
　　
　　It is better not to take a risk than to take a risk foolishly.
　　
　　　26-----Winning isn't everything
　　
　　One may enjoy the process of playing a game whether one wins or not. This traditional proverb is now often heard in the opposite form, Winning isn't everything. It's the only thing!
　　
　　27------Time will tell
　　
　　Wait and see how something will work out. Don't trust a person or thing too much right now.
　　
　　28-----The burned child shuns³ fire
　　
　　Some of life's lessons are learned⁴ the hard way. The person who has had to pay for a mistake will be careful not to make that mistake again.
　　
　　29-----There are other fish in the sea
　　
　　There are opportunities! For example, this may be used to encourage someone who has just broken off a relationship with a sweetheart.
　　　
　　30-----Don't count your chickens before they are hatched⁵
　　
　　Do not become too confident of success before you can see that progress is happening.