1.   Beginning as crashing streams and spectacular waterfalls high up in the mountains, these quickly converge to form raging rivers.

2.   Every new organism begins as a single cell and grows anew.

3.   It began as a rough-hewn two-room house whose top floor could be reached only by an outdoor staircase.

4.   Labor began as a criminal conspiracy.

5.   Medical practitioners began as individual private entrepreneurs selling their skills and medical knowledge, such as it was.

6.   Pavement began as a recording collective that sent tapes back and forth across the country.

7.   The association began as a forum for sharing ideas about management problems.