New Yorkers resume routines after terror attack: 'You can't stop living'

"You just keep moving," one commuter said.

Commuter Robin Danzy told ABC News she "was about to come down into the train station" at the time.

"I just missed it," she added.

Today, as Danzy walked along the same passageway, she said, "You would never know that anything happened yesterday from the people going back and forth."

But Danzy said she's "nervous."

The bombing suspect, Akayed Ullah, 27, is "intending to cause death and destruction and fear in New York City, and he’s just not going to accomplish that," Waters said.

Ullah, who was badly injured from the explosion, made statements to police indicating he “was inspired by ISIS to carry out” the attack and said, “I did it for the Islamic State,” according to the charging document.

There is no evidence he received funding or specific direction from any overseas group, police sources say.

Ullah is charged with five federal counts, including use of a weapon of mass destruction and bombing a place of public use.

Joon Kim, acting U.S. attorney for the Southern District of New York, said at a news conference today that Ullah allegedly aimed to "murder as many innocent human beings as he could and to blow himself up in the process -- all in support of a vicious terrorist cause."

The event comes less than two months after a man plowed a truck into a crowd on a lower Manhattan bike path, killing eight people.

The man accused of carrying out that attack, Sayfullo Saipov, 29, was allegedly "inspired" to commit it after watching ISIS videos on his cellphone and he "wanted to kill as many people as he could," according to a federal criminal complaint filed by prosecutors.

Kim said New York City "consistently remains" a prime target for terrorism.

"We are targeted by those whose poisoned minds think that killing innocent Americans here in this city will somehow advance their twisted ideology," he said.

There are no credible and specific threats against New York City at this time, officials said Monday.

"My daily commute is frequently through this bus station on the way to work," Johnson said. "Yesterday at this time I walked above ground between 8th and 7th Avenue on 42nd Street ... at the time of the attack."

Johnson told ABC News, "Today I wanted to make a point of coming through this subway, this specific passage at this exact time, to really demonstrate what a lot of New Yorkers are demonstrating -- which is that events like this happen, but we're strong, we're resilient, we go on and we are not afraid."

"It's important in the face of an event like this," he said, "to show that terrorism cannot prevail if people refuse to be terrorized."