One of the things I've been trying to do is look for simpler or rules underpinning good or bad design. I think one of the most valuable rules is avoid duplication. "Once and only once" is the Extreme Programming phrase.
Tulsidas’s poetry , like that of most other bhakti-saints, is assumed to reflect an underpinning of personal religious experience and to contain allusions to events in author’s life.
What conservation education must build is an ethical underpinning for land economics and a universal curiosity to understand the land mechanism. Conservation may then follow.aldo leopold