英会話のコツ: Believe vs Believe in

Do you believe in kappa?  I don’t believe in kappa.  If kappa were real, we would see them in zoos.  Believe and believe in are confusing, here are some examples:

Believe + Something True

  • John told me that he couldn’t do his homework, because he was sick.

    • I believed him

  • Taro is hardworking and is never late.

    • I always believe what he says.

  • Jane always lies.

    • I never believe what she says.

  • Tom told me that he won the Takarakuji lottery.

    • I didn’t believe him.

Believe in + 存在する物

  • Young children believe in Santa Claus

  • Some people believe in aliens

Don’t believe in + 存在しないもの

  • I don’t believe in the dragons

  • Most people don’t believe in the Loch Ness Monster

Believe in + something good / a good idea

  • I believe in this car.  It is an excellent car and you will like it too.

  • I believe in peace. I don’t believe in war.

  • I believe in recycling.  Recycling is very important for the future.

Don’t believe in + something bad / a bad idea

  • I don’t believe in communism.  It didn’t work in Soviet Russia, North Korea, or Cuba.

  • I don’t believe in Donald Trump.  He says funny things.