unfailing

"My friend told me there was something in the box, but I didn't know what it was yet. "

"My grandmother taught me how to bake cookies when I was a child. "

"My grandmother seems to have an inexhaustible supply of energy; she's always doing something! "

"He knows about many things, but even he is not infallible."

"The after-school program is a great way for kids to continue learning. "

"The love a mother has for her child is often described as a changeless devotion. "

"The bridge's sturdy support beams prevented the structure from collapsing. "

"Airplanes did not always exist as a form of transportation."

"The teacher explained the lesson thoroughly throughout the entire class period. "

"The positive of finishing the project early is a bonus week of vacation. "

"I love her youth, her beauty and above all her optimism that everything will turn out fine."

"The complicated instructions on the new software difficult me from completing the project on time. "