Don't engage with someone with nothing to lose. It's an unequal fight. - Baltasar Gracián

Diligence removes impossibilities.

Imagination travels faster than sight. Deceit comes in through the ears, but usually leaves through the eyes.

Know your strongest Point — your pre-eminent gift; cultivate that and you will assist the rest. Every one would have excelled in something if he had known his strong point. Notice in what quality you surpass, and take charge of that. In some judgment excels, in others valour. Most do violence to their natural aptitude, and thus attain superiority in nothing.