The phrase "the sooner the better" means that completing a task or event as soon as possible is preferable or more beneficial.

जितनी जल्दी हो सके उतना अच्छा

English Usage: The sooner the better we start this project, the more time we will have to refine it.

Hindi Usage: जितनी जल्दी हो सके हम इस प्रोजेक्ट को शुरू करें, उतना ही अधिक समय हमारे पास इसे सुधारने के लिए होगा।