I'd rather go for
Whether you succeed or not will depend mainly on how hard you work
Whether you will succeed or not lies mainly in how hard you works now.
Does the above sound right, the bolded part in particualr? Thanks.
I'd rather go for
Whether you succeed or not will depend mainly on how hard you work
Given the CAD's definitionI think you might be better off with another verb stressing the "cause and effect" issue.
That's the only part of the sentence that doesn't sound quite right to me.
Thanks, Beascarpetta.
But I still don't figure out why "lie in" can't express the "cause and effect" concept.
How about the following?
Whether you will succeed or not lies mainly in your hard work now.