Your search for "a fool must now and then be right, by chance" revealed the following:

A fool must now and then be right, by chance. - William Cowper 1731 - 1800 - RW-24.6

Team 16 of 52 Antique Magnetic Wisdoms Stick Around

Team 16 of 52 teams that Make Humanity Great! ...Drink Wisely in Mug Wisdoms Ceramic 11oz cup

A learned fool is more a fool than an ignorant fool. - Moliere 1622 - 1673 - RW-20.3

S2T- The wise does at once what the fool does at last. - Baltasar Gracian 1601 - 1658

A fool flatters himself, a wise man flatters the fool. - Robert Bulwer-Lytton 1831 - 1891

Better a witty fool than a foolish wit. - William Shakespeare 1564 - 1616 - RW-16.3

RW-24.1- The wise does at once what the fool does at last. - Baltasar Gracian 1601 - 1658

However big the fool, there is always a bigger fool to admire him. - Nicolas Despreaux 1636 - 1711 - S2T

Better a witty fool than a foolish wit. - William Shakespeare 1564 - 1616

S2TDQ- What is right to be done cannot be done too soon. -&- I drink no more than a sponge.

Better a witty fool than a foolish wit. - William Shakespeare 1564 - 1616 - RS2T - RW-16.3

RW-3.5 - What is right to be done cannot be done too soon. - Jane Austen 1775 - 1817

s2t- Beware of missing chances; otherwise it may be altogether too late some day. - Franz Liszt 1811 - 1886

YT-3.5- What is right to be done cannot be done too soon. - Jane Austen 1775 - 1817

s2t- Beware of missing chances; otherwise it may be altogether too late some day. - Franz Liszt 1811 - 1886 - blkshrt

How Fast Can You Read Mug Wisdoms? ...Teams 16+37 of 52 - Drink Wisely at Stop2Think.com

However big the fool, there is always a bigger fool to admire him. - Nicolas Despreaux 1636 - 1711 - RW-13.6

PWK-3.5-What is right to be done cannot be done too soon. - Jane Austen 1775 - 1817

RW-23.7- Beware of missing chances; otherwise it may be altogether too late some day. - Franz Liszt 1811 - 1886