The As-haabi Kahf (People of the Cave) mentioned in Surah Kahf, though unknown to each other before, banded together on the basis of their beliefs and sought refuge in a cave. They ran from the idol worship of their people to safeguard their Imaan.
We also need a “cave” to run away to from the many idols of this world
Where to find a cave in our time?
Our hearts can be our cave with the constant remembrance and consciousness of Allah ta’ala and the lamp of contemplation illuminating it as there is no refuge except with Allah ta’ala
Full story of the Ashaabi Kahf here