Definitions: (1) performed with constant attention; persevering; industrious; (2) constant in application; diligent; devoted; persistent

Synonyms: sedulous, unremitting, zealous

• The first key to wisdom is assiduous and frequent questioning. — Peter Abelard (1709-1142) French philosopher
• Because truth is exceedingly subtle and serene, the bliss of the Self can manifest only in a mind rendered subtle and steady by assiduous meditation. — Ramana Maharshi [born Venkataraman Iyer] (1879-1950) Indian Hindu sage