The most powerful way to change the world is to secretly commit little acts of compassion. You must behave as if your every act, even the smallest, impacted a thousand people for a hundred generations. Because it does.

A species may eat a particular bacterium, phytoplankton, smaller fish, or plant in an area. Lacking a predator, these species/populations will overgrow and alter the area's biology, overwhelming and driving to extinction dozens or hundreds or thousands of other local species.

The primary opportunity is to use a model or paradigm for describing ADD that's not disease-based and doesn't imply brain damage or what many children interpret as some type of retardation...a person must have hope; this model restores self-esteem, thus empowering individuals to change.

When the Europeans first arrived in North America, the average depth of the topsoil was 53.34 cm (1¾ ft) and it was rich in the types of symbiotic organisms necessary for plant roots to absorb minerals from the soil. Today North America averages around 15.24 cm (6 in) of topsoil and most if it is exhausted of nutrients and much is devoid of life.

One of the essential differences between the liberal and conservative worldview is that the liberals believe in rationality, whereas conservative believe that human events are ordered by forces that are beyond the ability of our rational mind to understand or control.

Most people’s major life regrets are not about the things they’ve done, but about the things they’ve not done, the goals they never reached, the type of lover or friend or parent they wished they’d been but know they failed to be.

Because nitrous oxide [released by nitrate-fertilised soil] is 296 times stronger than CO₂ at global warming and methane [cow farts] is about 26 times as potent as CO₂, the combined greenhouse effect of our livestock worldwide is greater than the sum total of all the cars, trains, busses, trucks, ships, airplanes and jets.