"Interesting how some people in the media wanna take shots at me for no reason. All good. Keeping it positive over here. All about the music," Bieber, 19, tweeted.
The singer has been in news for allegedly threatening a neighbor, reckless driving and getting thrown out of nightclubs for being underage.
"Some decisions in life aren't easy...But nothing great was ever easy. Be great," he declared
"In life you gotta know who you are. Know your heart. love the people that love you. And be kind. Be GREAT! #wwjd," he tweeted.
"We're hoping the witch hunt [is] gonna end when he really just speaks for himself in the music," he recently said.