A profession is a body of men who voluntarily measure their work by a higher standard than their clients demand. To be professionally acceptable, a policy must be sound as well as salable. Wildlife administration, in this respect, is not yet a profession. Aldo Leopold
Only in more production and in new production can the American standard of living be increased and the economy be sound. Alfred P. Sloan
It wasn't that Nanny Ogg sang badly. It was just that she could hit notes which, when amplified by a tin bath half full of water, ceased to be sound and became some sort of invasive presence. Terry Pratchett
A cracked bell will never be sound. Spanish Proverb
A broken friendship may be soldered, but will never be sound. English Proverb
A broken friendship may be soldered, but will never be sound. Romanian Proverb