Felly ei eich bod yn nifer gymharol fach – ychydig mwy na 200 o benaethiaid uwchradd – fel arweinwyr eich ysgolion, arweinwyr y proffesiwn, ac fel arweinwyr newid sy'n rhannu'r fraint a'r cyfrifoldeb o drawsnewid bywydau a thrawsnewid ein gwlad.
So, you may be relatively small in number - just over 200 secondary head-teachers - but it is you as leaders of your schools, leaders of the profession; and as leaders of change that share the privilege and responsibility of transforming lives and transforming our country.