Sanskrit Wisdom - 88

tyajanti mitraaNi Dhanairviheenam putraashcha daaraashcha sahajjanaashcha |

tamarthavantam punaraashrayanti artho hi loke manushasya banDhuh ||

%yajaint ima~aiNa QanaOiva-hInaM pu~aSca daraSca sa)jjanaaSca a
tmaqa-vantM punaraEayaint Aqaao- ih laaoko manauYasya banQau: aa

Explanation
Friends, sons, wife, and close relatives of leave a person without wealth. However, they all would return to him if gains wealth. Money/wealth, indeed, is man's best friend (refer to subhāşita # 54 which has a similar purport).