Quote:
"You simply need to live not as you "want," but as you "need" to – live according to your heart, not according to your mind or momentary feelings..."

The author contradicts himself... "Need" – you need money. You need power. A strange principle.
To live according to your heart (feelings), and not according to your mind (logic, which always prevails) or momentary feelings – it's vague...
Without strict guidelines, you're not far from a pit. Regardless of your faith or worldview.