You Cannot Do Only One Thing.

A Finite World Can Support Only A Finite Population; Therefore, Population Growth Must Eventually Equal Zero.

Numeracy: 1. The Art Of Putting Numbers To Things, That Is, Assigning Amounts To Variables In Order That Practical Decisions May Be Reach. 2. That Aspect Of Education (beyond Mere Literacy) Which Takes Account Of Quantitative Aspects Of Reality.

The Exquisite Sight, Sound, And Smell Of Wilderness Is Many Times More Powerful If It Is Earned Through Physical Achievement, If It Comes At The End Of A Long And Fatiguing Trip For Which Vigorous Good Health Is Necessary. Practically Speaking, This Means That No One Should Be Able To Enter A Wilderness By Mechanical Means.

The Only Kind Of Coercion I Recommend Is Mutual Coercion, Mutually Agreed Upon By The Majority Of The People Affected.

It Takes Five Years For A Willing Person's Mind To Change. Have Patience With Yourself And Others When Treading In An Area Protected By A Taboo.