low and humble principles

At this moment, I'm excited because I'm rediscovering the core fundamentals in life.

Like Thomas Hobbes, who when confronted with the Pythagoras theorem, "compared other philosophers unfavourably with mathematicians, who proceeded slowly but surely from 'low and humble principles' that everyone understood."

Low and humble principles, yes, I love this phrase.

I worry too much, and often about the unimportant things in life. Lately, I've been fretting about getting a cross trainer, how to spend vpost $10 offer, where to go with my airmiles, etc.

I should really be spending more time thinking about the low and humble principles in life like-

1. How can I be happier
2. How can I be healthier
3. How can I improve my relationship with my loved ones
4. How can I give more