The 4 Hard-core-real Lasting Advantages:
A deity once asked the
Buddha
What
is good even when one is old?
What is good when established?
What is human's most precious treasure?
What is hard for thieves to steal?
The blessed Buddha
answered:
1:
Morality is good even when one is old!

2:
Faith is
good when firmly established!

3:
Understanding is human's most precious
treasure!

4:
Merit
well earned is hard for thieves to steal!

More on these 4 Everlasting Advantages:
https://What-Buddha-Said.net/drops/Mighty_is_Morality.htm
https://What-Buddha-Said.net/drops/III/Faith_Summary.htm
https://What-Buddha-Said.net/drops/Understanding_is_the_Chief.htm
https://What-Buddha-Said.net/library/DPPN/wtb/n_r/punna.htm


Source:
Samyutta Nikāya I 36