Gold and silver from the dead turn often into lead.
— Richard Buckminster Fuller

Make new friends, but keep the old; Those are silver, these are gold.
— Joseph Parry

There is no intrinsic worth in money but what is alterable with the times, and whether a guinea goes for twenty pounds or for a shilling, it is the labor of the poor and not the high and low value that is set on gold or silver, which all the comforts of life must arise from.
— Bernard Mandeville

Then the enchantment became more dreamlike, until he felt that an endless river of swelling gold and silver was flowing over him, too multitudinous for its pattern to be comprehended; it became part of the throbbing air about him, and it drenched and drowned him. Swiftly he sank under its shining weight into a deep realm of sleep.
— J. R. R. Tolkien

If you have faith in our leaders of commerce, don't buy gold. If you do not have faith in them, maybe you should buy gold or silver.
— Robert Kiyosaki