Knowledge is of no value unless you put it into practice. Anton Chekhov
And it is long since I have learned to hold popular opinion of no value. Alexander Hamilton
If my life is of no value to my friends it is of none to myself. Joseph Smith
Pearls are of no value in a desert. Hindi Proverb
To know that candles are expensive is of no value to the blind man. Russian Proverb
There is no choosing between two things of no value. Mexican Proverb