Incompetence is a better explanation than conspiracy in most human activity.

Architects create spaces that accommodate human activity.

Storytelling is the essential human activity. The harder the situation, the more essential it is.

I fight to embrace the entire circle of human activity to the full extent of my ability.

Science is not a heartless pursuit of objective information. It is a creative human activity, its geniuses acting more as artists than as information processors.

Just as human activity is upsetting Earth's carbon cycle, our actions are altering the water cycle.