Islam calls us to seek knowledge. The Prophet (PBUH) made seeking knowledge an obligation upon every Muslim, and he explained that the superiority of the one who has knowledge over the one who merely worships is like the superiority of the moon over every other heavenly body. He said that the scholars are the heirs of the Prophets and that the Prophets did not leave behind dinars and dirhams (i.e., money), rather their inheritance was knowledge, so whoever acquires it has gained a great share. The Prophet (PBUH) said that seeking knowledge is a way to Paradise. He (PBUH) said: