If God gives us faith, then how can we not appreciate it? If we have faith, then we appreciate grace. And, as you've stated, faith is a gift from God.
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Ask Yeshua.
Matthew 10
[22] And ye shall be hated of all men for my name's sake: but he that endureth to the end shall be saved.
Matthew 24:
[11] And many false prophets shall rise, and shall deceive many.
[12] And because iniquity shall abound, the love of many shall wax cold.
[13] But he that shall endure unto the end, the same shall be saved.
Rev 2:
[26] And he that overcometh, and keepeth my works unto the end, to him will I give power over the nations:
He makes it clear that some perseverance on our part is going to be required.