You won't catch me driving a race car that I have built. (A clever double entendre, as numerous photos exist of Chapman driving racing cars he built.)

Make the suspension adjustable and they will adjust it wrong -- look what they can do to a Weber carburetor in just a few moments of stupidity with a screwdriver.

To add speed, add lightness.

Any car which holds together for more than a race is too heavy. (Tongue-in-cheek, as race cars must test and qualify before the start of any race.)

Accountants are the scorers of industry; they have nothing to do with playing the game. (Probably not tongue-in-cheek, as he was implicated in the De Lorean scandal shortly before his death.)

Adding power makes you faster on the straights. Subtracting weight makes you faster everywhere. See also: list of people by name Category:Business leaders|Chapman, Colin