習
This Chinese character means learn.
You can watch how to write this. - (「習」の書き順（筆順）動画 - 漢字書き順辞典)
There are 2 ways to read this, "ならう (習う)" or "しゅう".
When this is combined with other Chinese characters, this is often read as "しゅう".
For example, "練習 (れんしゅう)" means practice.
"練 (れん)" means knead.
If you study hard, you can know and understand many things.
But, and then, if you don't practice it, you can't remember and use it.
The harder you practice it, the better you can use it.
Certainly, there are many smart people.
But, even if you are a normal person, there is always a chance to win if you practice hard.
Chance always favors the prepared mind!
By Higashi-Mikawa Kyōjindō Shujin (東三河狂人堂主人)