“You can fool all the people some of the time, and some of the people all the time, but you cannot fool all the people all the time. ” Abraham Lincoln
For you or your business to be a success, people need to trust you. They need to trust you as being honorable, trustworthy and somewhat intelligent. They need to believe you can do the job and will not deceive them. Never lie to your clients or co-workers. Integrity is key.
Take a look at the following article about a zoo in China. The Zoo was passing off a dog as a lion and rats as snakes. It is hard to believe a kid called them out on it. Sort of like the Emperors New Clothes. Deliver what you promise. If there is a problem, fix it. But honestly, tell the truth !
http://www.cnn.com/2013/08/16/world/asia/china-zoo-dog-lion/index.html?hpt=hp_c4