Human wants are unlimited" - this part may be translated as Ð–ÐµÐ»Ð°Ð½Ð¸Ñ Ñ‡ÐµÐ»Ð¾Ð²ÐµÐºÐ° безмерны or Ð–ÐµÐ»Ð°Ð½Ð¸Ñ Ñ‡ÐµÐ»Ð¾Ð²ÐµÐºÐ° безграничны. In general case (without the context) 'unlimited' should be as безграничный.