The part of the sentence "thinking is clear" is correct and usable in written English.
You could use it to refer to someone who has a stable, well-reasoned thought process. For example, "After carefully weighing the options, Sarah's thinking is clear and she has reached a sound decision."
On that score, at least, Ranieri's thinking is clear.
Scott says that his thinking is clear but that he struggles to speak fluently.
But lower the temperature by 30 degrees and shift the setting to 10 feet underground, and the folly of this kind of thinking is clear.
"At the high levels, the interest is there and the thinking is clear," said Saleh Mutabbakani, a businessman in Jidda who has put together ventures with foreign partners.
Among Chinese policymakers, he said, the thinking is clear: "If we don't draw the line on Syria, then Western powers' next step is Iran, and then Central Asia, and then they are on our backdoor.
The French league is desperate to provide a Uefa Cup winner to improve their rankings for European competitions, but the clubs' short-term thinking is clear: the further they broaden their horizons in Europe, the more domestic challenges will become blurred.
His imprint in British political thinking is clearest, perhaps, in Gove's writing on foreign affairs.
The thinking was clear; blood some youngsters against inferior opposition.
Even so, some strands of anti-globalisation thinking are clear enough for the IEA to have had a go.
Her thinking was clear though quite complicated, but she had trouble finding the verbal constructions that would convey that clarity.
The need for multi-disciplinary thinking was clear in Judge's talk, which cited eight separate areas that any country pursuing nuclear energy must address.
