> The highest value thing you can do in this life is produce food. This highly depends on the actual productivity. Producing food by subsistence farming barely

> The highest value thing you can do in this life is produce food. This highly depends on the actual productivity. Producing food by subsistence farming barely feeds you and your children. Making something that improves food production, from ploughs to better seeds to fertilizers, has a significantly larger impact, even if you're not directly producing something edible.