I'll give you some advice from my experience, "mastered" or "mastery" is not something you can claim so lightly. You should tone down your stupidity and conceit, or you’ll suffer more than just a light burn.
All S1
What's mine is mine and what's yours is also mine.
For now...I can offer you no glory. But one day...I will.
This world, full of evil and violence, is Hell itself. Don't you think?
Let's take over our nation.
If the revolution is over, then I'll start another one!
HHiko
If you're to overcome this, you need to remember what you just saw. You need the will to live.
A fool who relies so much on his own toughness that he learns nothing of defense, also has nothing to rely on.
The police are like the Shinsengumi. Our duty is to protect Japan, and the lives of people. Once we take on that duty, we accept that death must be part of it. To obsess over every life, as does Battousai, is folly. It is my duty to finish this matter so that those who died may pass safely into the afterlife. But revenge? I hold not one thought of it. If your Shingan won't tell you, then I will. What drives me so deep? Slay evil immediately! I bring my own brand of justice.
I was the only one of the Shinsengumi said to be invulnerable.
Makimachi Misao need give her name to no villain!
One there was a wandering monk, who while walking worked up a funk. He found a well by a path and said "Now for my bath." But oh no! The bucket was sunk!
You have been training me to handle myself, haven't you?! So trust your student!
It's not the end yet! No! I won't let it end like this!
YYumi
Amusing, isn't it? Slaves are human, but prostitutes are cattle? We who suffer so much for men's pleasure are women no longer, but cows!
These quotes come from Wikiquote's Rurouni Kenshin pages and are available under the Creative Commons Attribution-ShareAlike License.