(CNN) House Speaker Nancy Pelosi responded to her Democratic critics Friday who say she's not moving fast enough on impeaching President Donald Trump and promised her approach wouldn't be "endless."

"No, I'm not trying to run out the clock," Pelosi said at a news conference on Capitol Hill. "Let's get sophisticated about this, OK?"

Pelosi repeated her long-standing position that in order to get to impeachment, the party will proceed at a deliberate pace and would only do so with the strongest hand possible.

"We will proceed when we have what we need to proceed, not one day sooner," she said. "And everybody has the liberty and the luxury to espouse their own position and to criticize me for trying to go down the path in the most determined positive way."

More than 90 Democratic members -- roughly 40% of the party's caucus -- have publicly stated that they support starting an impeachment inquiry, including a handful who made their decision following the hearings this week from former special counsel Robert Mueller.

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