The founding of the commonwealth, which occupied the first epoch, was effected entirely by the voluntary sacrifices of the individual members.

I do not myself believe that the analysis of knowledge can be effected entirely by means of purely external observation, such as behaviourists employ.

He nowise abandoned his conviction that whatever good he sought to do or lent himself to aid must be effected entirely by individual influence.

Up to this time the conversion of crude or cast iron into malleable or bar iron had been effected entirely by means of charcoal.