To be clear, I found Mr Obama's speech cogent, right, sensitive, sophisticated and moving.
He delivered his speeches - cogent, fluent and learned - without a note.
"But he's so smart and his speech was so cogent". .
Now it actually hits that there is a one-in-five chance that I will have to get up in front of a billion people and say something cogent, and I have not prepared a speech.
The first lady has emerged as one of Clinton's most potent surrogates in battleground states, delivering stirring speeches that have served both as cogent rebukes of Trump and powerful endorsements of Clinton, all in an optimistic tone counter to the vulgar tenor of this election cycle.
This speech was, all the same, the most cogent case he has made for his approach.
In a speech last month, President Obama delivered his most cogent analysis of the economic trends that have eviscerated poor and working-class communities in the years since the housing collapse.
Kerry had stayed up late for several nights, crafting his speech, and it was as succinct and cogent a summation of his case against the President as he has offered to date.
Cornel West himself unintentionally made the most cogent defense of Obama when he criticized the 2008 race speech.
But in that week, after enjoying an hour's audience with Blair, Rawnsley wrote: "The speech Mr Blair delivered to Parliament was adroit and cogent; his treatment of those who would appease or apologise for Saddam was suitably scathing".
