Elon Musk, the billionaire CEO of Tesla, is defending himself once again against public criticism. It is time for Tesla CEO Elon Musk to answer to questions regarding his income tax bill.

“If you opened your eyes for two seconds, you would know that I will pay more taxes than any American in history this year.” Musk tweeted earlier this week.

Tesla CEO Elon Musk tweeted a reaction to Massachusetts Sen. Elizabeth Warren’s criticism of him as Time Magazine’s Person of the Year for not paying his taxes.