Though One, Brahman is the cause of the many.

Brahman is the unborn (aja) in whom all existing things abide. The One manifests as the many, the formless putting on forms. (Rig Veda)

Behold but One in all things; it is the second that leads you astray. (Kabir)

The word Brahman means growth and is suggestive of life, motion, progress. (Radhakrishnan)

Hindu cosmology is non-dualistic. Everything that is is Brahman. Brahman is the eternal Now, and in eternity there is no before or after, for everything is everywhere, always. To use the words of Pascal 'it is a circle the center of which is everywhere and the circumference nowhere.' (Sudhakar S.D, 1988)