You place your foot on the first step of an escalator: instantly, it starts moving and takes you to a higher or lower floor.

"You place your foot on the first step of an escalator: instantly,
it starts moving and takes you to a higher or lower floor. What
has happened? By stepping on it, you have simply cut off a beam
of light, and interrupting this beam has set off a device
enabling the enormous stairs, which weigh tons, to start moving.
A similar process takes place in the inner life of human beings.
Each one of their thoughts and feelings cuts off a ray somewhere,
and machinery is set in motion. Often, instead of taking them to
the upper floors of consciousness, the escalator takes them
underground, where they are deprived of air, light, warmth and
space. You think you are free to have just any thought or
feeling, but be aware that each one acts as a trigger, the effect
of which is to project you either up or down. So, do be careful! "

Omraam Mikhaël Aïvanhov