Other way to say this is in Adam Smith's words "Human wants are unlimited, resources are limited". But this poem below summarizes it best. At times shayaris can look so beautiful!
Kabhi Kisi Ko Muqamal Jahan Nahin Milta
Kahin Zamin To Kahin Aasmaan Nahi Milta
Jise Bhi Dekhiye Vo Apne Aap Mein Gum Hain
Zubah Mili Hain Magar Humzubah Nahin Milta
Kabhi Kisi Ko Muqamal Jahan Nahin Milta
Kahin Zamin To Kahin Aasmaan Nahi Milta
Bujha Saka Hain Bhala Kaun Waqt Ke Shole
Ye Aisi Aag Hain Jisme Dhuan Nahin Milta
Kabhi Kisi Ko Muqamal Jahan Nahin Milta
Kahin Zamin To Kahin Aasmaan Nahi Milta
Tere Zahan Mein Aisa Nahin Ki Pyar Na Ho
Zaha Umeed Ho Iski Wahan Nahin Milta
Kabhi Kisi Ko Muqamal Jahan Nahin Milta
Kahin Zamin To Kahin Aasmaan Nahi Milta