If you'd care to learn some real history, I suggest you read The UNIX-HATERS Handbook: http://web.mit.edu/%7Esimsong/www/ugh.pdf
With this book, you'll learn that UNIX and C are nothing admirable and have actually been responsible for successfully destroying much better systems and languages in the popular eye; languages including Lisp, APL, Simula, ALGOL, Smalltalk, and Forth all existed before C; systems such as ITS and Multics addressed concerns UNIX users still suffer under today.
Make no mistake, for all of RMS' admirable qualities, he's basically responsible for UNIX proliferating by copying it for GNU. You also shouldn't look at your modern BSD or GNU system and think this is what UNIX users used decades ago, because for all of their faults, GNU and BSD actually try to produce programs which work correctly and GNU goes much farther than several of the BSDs in this respect. The UNIX attitude is one of getting half the job done and leaving it at that.
In closing, UNIX has no philosophy. The UNIX philosophy is simply brand-named simplicity. The ideas of modularity and simplicity predate automatic computing and recorded history, and yet people will claim you're following UNIX if you write a program which adheres to these basic ideals. Further, those other qualities of this philosophy result in programs that aren't modular, simple, nor beautiful.