请把下面的谚语改写成 if 从句 + 主句的形式.

请把下面的谚语改写成 if 从句 + 主句的形式.
Give him an inch,and he will take a mile.
得寸进尺.
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Early to bed and early to rise makes a man healthy,wealthy and wise.
早睡早起,精神百倍.
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God helps those who help themselves.
自助者天自助.
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Heaven never helps the man who will not act.
自己不动,叫天何用.
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No pain,no gain.
不劳无获.
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