And let not your hand be tied (like a miser) to your neck, nor stretch it forth to its utmost reach (like a spendthrift), so that you become blameworthy and in severe poverty.

Money has no smell.

Riches flow through me like waves in the ocean and come back again.

Meanwhile, hold fast to this thought, and grip it close: yield not to adversity; trust not to prosperity; keep before your eyes the full scope of Fortune’s power, as if she would surely do whatever is in her power to do.

And give to the kindred his due and to the Miskin (poor) and to the wayfarer. But spend not wastefully (your wealth) in the manner of a spend thrift. Verily, spendthrifts are brothers of the Shayatin (devils), and the Shaitan (Devil - Satan) is ever ungrateful to his Lord.

To become a billionaire, you have to have the mentality of a billionaire. This particular state of mind concentrates all knowledge and intelligence on a single and unique goal.