Sentence:  Certainly it was not in the interest of the Government to come forward and propose any additional taxation if they could, with consistency and with satisfaction to heir own consciences, have avoided it, and he did not think his two previous Budgets showed that it was in his nature to <WSD>pessimise</WSD> or to take desponding views. 
Meaning of the word marked with <WSD> tags:  To think like a pessimist; to believe the worst.