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.

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.

Trickle down economics creates a nation of peons.

In the 24 hours since this time yesterday, over 200,000 acres of rainforest have been destroyed in our world. Fully 13 million tons of toxic chemicals have been released into our environment. Over 45,000 people have died from starvation, 38,000 of them children. And more than 130 plant and animal species have been driven to extinction by the actions of humans. And all this just since yesterday.

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.

Blessings are the spiritual equivalent of breathing in, and prayer is the spiritual equivalent of breathing out.

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.