The most necessary, most difficult and principal thing in music, that is time. — Wolfgang Amadeus Mozart
Technology may change rapidly, but people change slowly. The principals [of design] — Donald A. Norman
The principal feature of American liberalism is sanctimoniousness. By loudly denouncing all — P. J. O'Rourke
It is through the tongue, the pen, and the press that truth is principally propagated. — Angelina Grimke
Men and women, empires and cities, thrones, principalities, and powers, mountains, rivers, — H. Rider Haggard
There’s nothing more important than our good health – that’s our principal capital asset. — Arlen Specter