HELP Translation PLEASE (140+ views but no reply)

Can anyone translate this sentence in English to Hindi

"A ounce of optimism is all the luck in the world"

Or if you don't know Hindi please tell me meaning of this sentence in simple English..

Please Help..

Thank You..

You can post some phrases to understand meaning
Or you can post some good phrases from various languages

Thodi si aashavad (or aashirvaad, whichever you think fits in better) duniyaa mein sari shubh kamnae hai.

Not exactly accurate (since I had no idea how to say optimism in Hindi) but that's as close as I could get to it. xD

An easier way to say it in English would be 'Even a little bright thinking can be all the luck in the world.' Is that easier? Yes? No, I wouldn't say so.?! I'm confusing myself here ._. Ah ... yeah. xD In any case, hope that helped -.-