You can only build up as high as your foundation is deep?

[Nicole]

Hi, is the following sentence correct?

You can only build up as high as your foundation is deep.

I think I heard it somewhere on an audio tape but now I can't find it again.
Thanks for your sharing your opinions.
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Life is for living.

[Goldhat]

It sounds okay, but what is it that is being "built up" in that statement?
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Joel Milne,
English-Test.net Developer