No sólo para “niños” … advice to my kids : zenhabits
“…

Spend less than you earn. Thirty percent less if you can manage. …
Put away some of your income to grow with the power of compound earnings. Your future self will thank you. …
Learn to love healthy food. It’s all a matter of adjusting your tastebuds, slowly and gradually. …
Learn compassion. …
Never stop learning. …
Get good at discomfort. … 
Take a larger perspective: will this matter in five years?…
Savor life. Not just the usual pleasures, but everything and everyone. … Time with a loved one. Time alone. Your breath as you meditate.
Meditate.
Don’t be afraid to make mistakes. …”