of Ascertain
Source: Webster's dictionaryWhat dependence can I have on the alleged events of ancient history, when I find such difficulty in ascertaining the truth regarding a matter that has taken place only a few minutes ago, and almost in my own presence! Walter Raleigh
Instead of establishing facts, we have to overthrow errors; instead of ascertaining what is, we have to chase from our imaginations what is not. Frances Wright
When the principles of breeding and of inheritance are better understood, we shall not hear ignorant members of our legislature rejecting with scorn a plan for ascertaining by an easy method whether or not consanguineous marriages are injurious to man. Charles Darwin
When the new wore off his grandfather's watch, and carrying it became a day's burdensome task, Jem no longer felt the necessity of ascertaining the hour every five minutes. Harper Lee
Agronomy; or a Treatise on the Constituent Parts and Physical Properties of the Soil, and the best Method of acquiring a Knowledge of the different Earths, and ascertaining their Value. Albrecht Thaer
Yes, there are lots of individual exceptions. But no one has ever done a study about voting intention without ascertaining that the biggest determining factor is your income and your wealth. Ken Livingstone