He who knows, does not speak. He who speaks, does not know.

Lao Tzu

Do not spoil what you have by desiring what you have not.

Ann Brashares

It's not a matter of letting go - you would if you could. Instead of Let it go we should probably say 'Let it be'.

Jon KabatZinn

Learning is a treasure that will follow its owner everywhere.

Chinese Proverb

If you poke a bear just to hear it to roar, why keep poking it if it doesn't have the energy to roar.

Dean Mackin

He who is not sure of his memory, should not undertake the trade of lying.

Michel de Montaigne