> considering the prof himself suggested to write the thesis.
Perhaps the professor thought that the student was capable to do this in acceptable quality - but afterwards the professor saw that he was too positive in his judgement of the capabilities of the student to be able to do this.
Perhaps the professor thought that the student was capable to do this in acceptable quality - but afterwards the professor saw that he was too positive in his judgement of the capabilities of the student to be able to do this.