Similar words: believe, relieve, give in, cave in, lie in, relief, belt, bell. Meaning: v. have a firm conviction as to the goodness of something.
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1) Miracels are to those who believe in them. 
2) You have to believe in yourself.That's the secret of success.
3) You have to believe in yourself. That's the secret of sucess.
4) Do you believe in ghosts ?
5) I don't believe in ghosts, do you?
6) Atheists do not believe in God.
7) He does not believe in the existence of ghosts.
8) You have to believe in yourself .
9) If you believe in yourself,(http://sentencedict.com/believe in.html) so will others!
10) Do you believe in fairies?
11) Believe in yourself when no one else does.
12) Do you believe in the immortality of the soul?
13) Miracles happen to those who believe in them.
14) I don't believe in fate.
15) You can accomplish anything if you believe in it.
16) I believe in the sanctity of human life.
17) We believe in investing in scientific research.
18) Most Americans still believe in God .
19) Do you believe in magic?
20) Do you believe in the Devil?
21) Do you believe in God?
22) Some people still believe in magic.
23) I said I don't believe in love.
24) Hindus and Buddhists believe in reincarnation.
25) People of many religions believe in an afterlife.
26) Shallow men believe in luck.Self-trust is the first secret of success.
27) You'd better not believe in him. He is a cheater.
28) There are three stages in a man's life: He believes in Santa Claus. He doesn't believe in Santa Claus. He is Santa Claus.
29) Life doesn't always give us the joys we want.We don't always get our hopes and dreams, and we don't always get our own way.But don't give up hope, because you can make a difference one situation and one person at a time.Look for the beauty around you--in nature, in others, in yourself--and believe in the love of friends, family, and humankind.
30) In spite of the bad things he's done I still believe in his essential goodness.