Yet his daughter has proven herself a master at them.
Last fall, she had proven herself capable of beating Kwan when she won Skate Canada.
Mrs. Clinton has proven herself an excellent senator, and presumably would make a superior president.
She has proven herself time after time as a strategic thinker who can execute".
"She's already proven herself as a very good multi-tasker," Ms. Minnis said.
"She's certainly proven herself over the last three years that she's the greatest," Boorman said.
"She's proven herself to be a competent soul, somebody who can get the job done".
Ms. Lappin, in particular, has proven herself a strong fund-raiser, with $215,000 in her coffers through July.
"The Naomi Campbell I know has proven herself a loyal friend and a woman of her word," Brown writes.
Her father, Bob Devlin, who is an assistant coach of the Monarchs, said, "That's because she has always proven herself".
Said Robehmed Melissa McCarthyhashas proven herself to be a kind of triple threat – she can write, produce and act.
