It means that the lack of knowledge is the foundation for all life failures, destruction, depression, difficulties, hatred, bitterness, envy, etc.

The biggest challenge after success is shutting up about it.

Love begets wisdom, thus it is, as often misconceived, more than vain layers of tenderness; it is inherently rational and comprehensive of the problem within the problem: for instance, envy is one of the most excused sins in the media of political correctness. Those you find most attractive, or seem to have it all, are often some of the most insecure at heart, and that is because people assume that they do not need anything but defamation.

The motive behind criticism often determines its validity. Those who care criticize where necessary. Those who envy criticize the moment they think that they have found a weak spot.

Those who speak against the great do not usually speak from morality, but from envy.

Envy is destroyed by true friendship, as coquetry by true love.

All envy is proportionate to desire; we are uneasy at the attainments of another, according as we think our own happiness would be advanced by the addition of that which he withholds from us.

Envy's a sharper spur than pay.

To be envious, in Chinese, is 'to guzzle vinegar'.

I can endure my own despair, But not another's hope.

Envy ... is one form of a vice, partly moral, partly intellectual, which consists in seeing things never in themselves but only in their relations.

Jealousy is the sister of love, as the devil is the brother of angels.

Envy is littleness of soul.

Enjoy your own life without comparing it with that of another.

Do not speak of your happiness to a man less fortunate than yourself.

Envy is everywhere. Who is without envy? And most people Are unaware or unashamed of being envious.

Let age, not envy, draw wrinkles on thy cheeks.

As iron is eaten away by rust, so the envious are consumed by their own passion.

Our nature holds so much envy and malice that our pleasure in our own advantages is not so great as our distress at others'.

Envy is a worm that gnaws and consumes the entrails of ambitious men.