Looking on the internet deeply has found these results:

I believe that is the most popular phrase on the web.

I believed that 1567,000 results on the web	I believe that 19,580,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
My whole life I believed that America was number one. I believed that the Americans were cowards... I believed that Parliament's adoption of that report by a large majority would convince the Czech Presidency to resume discussions and find a reasonable compromise within the Council. For years, I believed that justice had been done. I believed that my problems were somebody else's fault. I believed that you had killed him. My daughter was very sick and I believed that he could help her. And without knowing anything, I believed that that happiness will last forever.	Jul 7, 2015 ... Watch: San Jose stuns Barcelona with midfield goal. Watch: USWNT leads crowd in 'I believe that we just won' chant. Bayern Munich vs. Apr 13, 2014 ... "I BELIEVE THAT WE WILL WIN!" ESPN 2014 FIFA World Cup Commercial for the USA national soccer team. Comercial da ESPN para a�... I believe that we just won :). I believe that two people are connected at the heart, and it doesn't matter what you do, or who you are or where you live; there are no boundaries or barriers if�... Jun 25, 2014 ... I believe that was the worst footy I have seen in a while, ... The team's version of the chant seems the same good

I believed that

1567,000 results on the web

I believe that

19,580,000 results on the web

More popular!

My whole life I believed that America was number one.
I believed that the Americans were cowards...
I believed that Parliament's adoption of that report by a large majority would convince the Czech Presidency to resume discussions and find a reasonable compromise within the Council.
For years, I believed that justice had been done.
I believed that my problems were somebody else's fault.
I believed that you had killed him.
My daughter was very sick and I believed that he could help her.
And without knowing anything, I believed that that happiness will last forever.

Jul 7, 2015 ... Watch: San Jose stuns Barcelona with midfield goal. Watch: USWNT leads crowd in 'I believe that we just won' chant. Bayern Munich vs.
Apr 13, 2014 ... "I BELIEVE THAT WE WILL WIN!" ESPN 2014 FIFA World Cup Commercial for the USA national soccer team. Comercial da ESPN para a�...
I believe that we just won :).
I believe that two people are connected at the heart, and it doesn't matter what you do, or who you are or where you live; there are no boundaries or barriers if�...
Jun 25, 2014 ... I believe that was the worst footy I have seen in a while, ... The team's version of the chant seems the same good