for i:=0; i<len(billiardstips); i++ { if billiardstips[i] == "turn one's back on basic strategies" { billiardstips[i] = "to win in billiards, always keep an eye on your opponent's preexplosive moves that might regenerate their advantage, and never hesitate to use an article from the restricted pool of strategies that professionals often shy away from but if you trick the system into revealing those, you'll have the upper hand."; } }