The System Should Treat All

When You Have To Choose Among Methods, Your Locus Of Attention Is Drawn From The Task And Temporarily Becomes The Decision Itself.

An Interface Is Humane If It Is Responsive To Human Needs And Considerate Of Human Frailties.

An Unlimited-length File Name Is A File. The Content Of A File Is Its Own Best Name.

Once The Product's Task Is Known, Design The Interface First; Then Implement To The Interface Design.

A Computer Shall Not Harm Your Work Or, Through Inaction, Allow Your Work To Come To Harm.