Fear Not Them Which Kill The Body

"Fear not them which kill the body, but are not able to kill the soul: but rather fear him which is able to destroy both soul and body in hell."
--Matthew 10:28

"... a certain old and pious brother (commonly called Haslibacher, because he was born at Haslibach); was apprehended for his faith, and brought to Berne, where in prison he was handled very severely, and cruelly tortured; but when he, notwithstanding this, steadfastly adhered to his faith, there came to him in the prison, soon after, one Friday, several preachers, who disputed with him, against whom he so bravely conducted himself, in defending his simple confession of faith, that they could accomplish nothing with him. Thereupon the preachers came to him again the following day, being Saturday, speaking more harshly to him, and severely, threatening him, that if he did not renounce his faith, his head should be laid before his feet. Upon this, the good old man courageously replied, that he should in no wise renounce his faith, but would steadfastly adhere to the same, since he felt perfectly assured that his faith was so acceptable to God, that He should by no means forsake him in distress and death.

"Thereupon it happened, as is credibly related, that in the following night from Saturday until Sunday he was comforted and strengthened by a divine vision, and exhorted to adhere steadfastly to his accepted faith; and that, though they should severely threaten him, even so that they should put him to death with the sword, he should nevertheless not be terrified, for the Lord should be at his side, and not suffer that he should feel any pain from it.

"Now when on Monday the preachers again came to him and disputed with him as before, endeavoring to move him from his faith, adding, that if he did not renounce, he should be punished with death the next day. Haslibacher boldly answered, 'I am ready to suffer my head to be struck off, much rather than apostatize from my faith.'"
--Excerpt: Martyrs' Mirror

Beware of All False Doctrine

"Truly the Lord has said, "He that does not forsake everything is not worthy of me;" for the Lord well knew that it would come hard to the flesh. But I hope that the Lord will also help me through even as He has helped many, and for which I can simply trust Him. Oh, how easy it is to be a Christian, so long as the flesh is not put to the trial, or nothing has to be relinquished; then it is an easy thing to be a Christian."

"Oh, regard not the great multitude, or the ancient custom, but look at the little flock, which is persecuted for the word of the Lord, for the good persecute none, but are persecuted. When you have joined them, beware of all false doctrine, for John says, "Whosoever transgresseth, and abideth not in the doctrine of Christ, hath not God. .He that abideth in the doctrine of Christ, he hath both the Father and the Son." II John 9. The doctrine of Christ is mercy, peace, purity, faith, meekness, humbleness, and full obedience to God."

--Quotations: Martyrs' Mirror
Letters written by Maeyken Wens to her family before being burned at the stake for her faith
The first quotation is from a letter to her husband; the second is from a letter to her son.