The phrase "dictum about" is correct and commonly used in written English.
It refers to a statement or maxim that expresses a general truth or principle. Example: In his speech, the president shared a dictum about the importance of unity in times of crisis.
The most famous dictum about Hollywood belongs to the screenwriter William Goldman.
They often alluded to Horace's dictum about poetry — that it ought to delight and instruct.
But he effortlessly benefits from Henry Kissinger's dictum about power being an aphrodisiac.
It may hew more closely to Jesus' dictum about desiring mercy.
Yet Bismarck's dictum about politics as the art of the possible is not altogether correct.
Both Paul and Cruz spend their careers violating the old party dictum about never speaking ill of a Republican.
This was a concern shared by Rabbi Kushner, who said that he disagreed with Maimonides' famous dictum about anonymity.
Generals, he believes, should abide by Winston Churchill's dictum about experts: they should be "on tap, not on top".
Another master of Middle East affairs, the late literary critic Edward W. Said, described Dr. Lewis as a peddler of old-school dictums about the need for a strong guiding hand with the region.
At last their batsmen seemed to have learned that the familiar dictums about how to play here are well-worn for a reason and that the best thing to do when opening the batting in the morning is to try to see off the new ball.
Western dictums about absolute power don't have much currency in Iraq, but they came readily to a visitor's mind after Saddam Hussein's hierarchy claimed that he had won 100percentt of the 11.4 million votes cast in a single-candidate presidential referendum.
