Sicilian Defense

You don't. Just play better each time. Eventually you will win.  

Learn the poisoned pawn variation in the Najdorf Sicilian! Crush your opponents like MVL.

Kidding, of course. At your level you really shouldn't focus on mastering any specific opening. All you need to know is general opening principles and just a few first moves of most common openings.

As White I've been learning the Alapin against the Scilian. Build a pawn centre and then play opening principles, knights out, bishops out, castle etc. Give it a try. Doesn't need much theory to get started. The main reason is I'm lazy. I just one to stick my pawns in the centre and develop my pieces in the opening. I put more effort into the middlegame and endgame.

First post!

many sicilian variations kind of disregard the opening principles beginners are taught to learn though

i don't really think you should learn the sicilian at your rating. it is a very complex opening that requires a lot of hard work to master. it would be better imo to play something more simple

Practice. As your senses would say wax on wax off-Karate Kid———edited post

That's sensei. "si" in Japanese is more like "shi" as in sushi.

Feel smart now? You just learned some nihongo.

Funny I had had the best Ramen of my life today from an American who at one time won the award of best new Ramen place in Tokyo

Practice the lines on here and also go to Lichess.org and you will find tutorials you can practice with