I was simply astonished when I came across the following. It demonstrates how extraordinarily clever the brain is.
Try reading this without hesitating:
I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdgnieg.
The phaonmneal pweor of the hmuan mnid aoccdrnig to rscheearch at Cmabrigde Uinervtisy: it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteres be in the rghit pclae. The rset can be a taotl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.
Now tell me that you are not amazed!