Agriculture is, when measured by its usefulness, undoubtedly the first and noblest science.

Agriculture is the divine chemistry that works in the subsoil..

Agriculture is the most healthful, most useful and most noble employment of man. I had rather be on my own farm, than be emperor of the world.

Agriculture is not crop production, as popular belief holds. It’s the production of food and fiber from the world’s land and waters. Without agriculture it is not possible to have a city, stock market, banks, university, church or army. Agriculture is the foundation of civilization and any stable economy.

Climate is a theory while weather is a condition.

Climate is the weather in a foreign country.

Climate is what you expect, but weather is what you get.

Climate is distinguished from weather in that climate lasts all the time; while weather lasts only a few days.

Disease is typically distinguished from illness in the anthropological literature in this way: an illness is an innately human experience of symptoms and suffering while disease is an alteration in biological structure or functioning.

Disease is the retribution of outraged Nature.

Disease is Death's rehearsal.

Disease is a tax on ill pleasures.