As soon as you get to lane with Lee sin, against a range you need to try your best to rush level 2. I suggest you start E first to damage the whole wave, then max Q from there on out. The runes and masteries I use for lee sin provide me a great 20% CDR as soon as the game starts! so I could pop atleast 2-3 E's on the first creep wave and rush that early level 2 for a first blood, Not only that the runes look like I seem squishy but I really won't be! 9/21/0 in the mastieries I use make me quite tanky, ESPECIALLY, if you start with a dorans ring or even a Dorans Shield!

Against them you're kind of in a stalemate, because if you harrass to heavly you'll get camped but if you get poked down you'll need to constantly recall to regain HP. at these moments you need catch there mistakes. Whenever you poke them with a Q go in on them and pop your combo. Try to make them recall as much as possible. Keep shoving into there tower so they can't roam and you'll be able to roam and gank other lanes like bot and mid. You could also counter jungle quite easily with lee sin with enough vision.

If you play him top or jungle yes. But the weird part about lee sin mid is that. You don't go tanky at all. I mean you could but it's highly not preferred considering you have a top lane for that cause or even a jungler and support for that matter. Lee mid is all about heavy armor pen,cdr, and damage. If you could provide consistent ults for your team and just Q+R+E+Q+E to there ADC then you did your job. Because no ADC should survive a Q+R+E+Q+E against a Mid lane Lee sin. with 40% cdr in just 2 items in game you'll be able to provide REALLY REALLY good poke. Whenever I play lee mid I start with dorans shield, rush brut, then straight onto lucidity. Then I finish cleaver. The laning poke I could provide is massive considering I'll be able to ult every 40 seconds or so. And thats enough to bully the living **** out of them.