Wrong. There are two types of quotation marks: double quotation marks and single quotation marks. However, this type of single quotation marks is used incorrectly, because time is worth money, and gold cannot buy time. Not quoting what the person said, but explaining and using colons. For example:
"We must actively use famous sayings: An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time." Or dash