Ten Commandments..

The most selfish 1 letter..."I"...Avoid it.
Most satisfactory 2 letters..."WE"...use it.
Most poisonous 3 letters..."EGO”. Kill it.
Most used 4 letters..."LOVE"...Value it.
Most Pleasing 5 letters..."SMILE"...keep it.
Most Fastest spreading 6 letters..."RUMOUR"...Ignore it.
Most Hard working 7 letters..."SUCCESS"... Achieve it.
Most Enviable 8 letters..."JEALOUSY"...Distance it.
Most Essential 9 letters..."PRINCIPLE"...Have it.
Most Divine 10 letters..."FRIENDSHIP"....Maintain it