The jealous are troublesome ...

The jealous are troublesome to others, but a torment to themselves.
The jealous are troublesome to others, but a torment to themselves.
 William Penn

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
Don't settle in the land of barely enough. That is where you are, it is not who you are. That's your location, it's not your identity. No matter what it looks like, have an abundant mentality.
Everything in your life, every experience, every relationship is a mirror of the mental pattern that is going on inside of you.

Quotes from the same author

True silence is the rest of the mind; it is to the spirit what sleep is to the body, nourishment and refreshment.
 William Penn
A man in business must put up many affronts if he loves his own quiet.
 William Penn
All excess is ill; but drunkenness is of the worst sort. It spoils health, dismounts the mind, and unmans men. It reveals secrets, is quarrelsome, lascivious, impudent, dangerous, and mad.
 William Penn
Five things are requisite to a good officer — ability, clean hands, despatch, patience, and impartiality.
 William Penn
There is nothing of which we are apt to be so lavish as of time, and about which we ought to be more solicitous; since without it we can do nothing in this world.
 William Penn