Banner --- what should i write?

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i wanna make a banner here on the net and i would like to put it on my friendster and mylot. something like a slogan or a quote that everyone can relate to. like a statement that is really fierce. something that has meaning to it and lesson's that can be learned. like a short quote so that people won't be bored reading it. but i haven't the slightest idea what to put. maybe you could help me guys! do you have any ideas? please do share it with me...