Correct
三十而立
/ sān shí ér lì /
Strokes
Definition
thirty years old and therefore independent (idiom, from Confucius)
Example
Definition
a man should be independent/steadfast at the age of thirty; at thirty, a man should be able to think for himself
a man should be independent/steadfast at the age of thirty; at thirty, a man should be able to think for himself