Here are some phrases to avoid at the start of a sentence:
♦ According to . . .
♦ There is a . . .
♦ It is [important, critical, advised, suggested, and so on] . . .
♦ In my opinion . . .
♦ The purpose of this [email, post, article] is . . .
♦ In 2014 [or any year] . . .
♦ I think [believe] that . . .