Content is the true philosopher's stone.

Contentment can do what the legendary philosopher’s stone promised: make a person feel rich without changing what they own.

The proverb places satisfaction above the pursuit of greater wealth, suggesting that a change in outlook may be more valuable than a change in fortune.

Use it when someone is weighing the desire for more against the possibility of being satisfied with enough. It can offer perspective, but may sound dismissive if directed at someone facing genuine hardship.