remember vs remind

Remember is the internal act of recalling information, while remind is the external act of making someone else recall it.

• remember

  to recall information from your own mind

  I cannot remember where I parked the car this morning.

  She remembered to lock the door before she left the house.

• remind

  to cause someone else to remember

  Please remind me to call the doctor at three o'clock.

  That song always reminds him of his childhood in the city.

• Wrong: I need to remind your phone number before I leave.→Right: I need to remember your phone number before I leave.

• Wrong: Please remember me to buy some milk on the way home.→Right: Please remind me to buy some milk on the way home.

Remember is in your head; remind is from someone else.