How did your brain even learn human speech? Yes sir, Captain Tightpants! Course you couldn't buy an invite with a diamond the size of a testicle, but I got my hands on a couple. Also? I can kill you with my brain. 
Education never ends, Watson. It is a series of lessons, with the greatest for the last. I have always held, too, that pistol practice should be distinctly an open-air pastime; and when Holmes, in one of his queer humours, would sit in an armchair with his hair-trigger and a hundred Boxer cartridges and proceed to adorn the opposite wall with a patriotic V.R. done in bullet pocks, I felt strongly that neither the atmosphere nor the appearance of our room was improved by it. Man, or at least criminal man, has lost all enterprise and originality. As to my own little practice, it seems to be degenerating into an agency for recovering lost lead pencils and giving advice to young ladies from boarding-schools. My name is Sherlock Holmes.  It is my business to know what other people don't know. 

Show Holmes a drop of water and he would deduce the existence of the Atlantic. Show it to me and I would look for a tap. That was the difference between us. I am the most incurably lazy devil that ever stood in shoe leather I have always held, too, that pistol practice should be distinctly an open-air pastime; and when Holmes, in one of his queer humours, would sit in an armchair with his hair-trigger and a hundred Boxer cartridges and proceed to adorn the opposite wall with a patriotic V.R. done in bullet pocks, I felt strongly that neither the atmosphere nor the appearance of our room was improved by it. 

Ten percent of nothin' is ... let me do the math here ... nothin' into nothin' ... carry the nothin' ...  Also? I can kill you with my brain. Am I a lion? I don't think of myself as a lion. You might as well, though, I have a mighty roar. First rule of battle, little one ... don't ever let them know where you are... WHOO-HOO! I'M RIGHT HERE! I'M RIGHT HERE! YOU WANT SOME O' ME?! YEAH YOU DO! COME ON! COME ON! AAAAAH! Whoo-hoo! ... 'Course, there're other schools of thought. Psychic, though? That sounds like something out of science fiction. We live in a spaceship, dear. Just get us on the ground! That part will happen pretty definitely! Well, my time of not taking you seriously is coming to a middle. 