But now they have no cloke for their sin - (margin: Or, excuse) They are without excuse. See the note on John 9:41. Christ had done such works as demonstrated him to be the Messiah - yet they rejected him: here lay their sin; and this sin, and the punishment to which it exposed them, still remain; for they still continue to reject the Lord that bought them.

John 8:40-42 But now you seek to kill me, a man that has told you the truth, which I have heard of God: this did not Abraham...

1 John 2:23 Whoever denies the Son, the same has not the Father: he that acknowledges the Son has the Father also.

2 John 1:9 Whoever transgresses, and stays not in the doctrine of Christ, has not God. He that stays in the doctrine of Christ...

December 16 Evening
The deep things of God.--I COR. 2:10. Henceforth I call you not servants; for the servant knoweth not what his lord doeth; but I have called you friends; for all things that I have heard of my Father I have made known unto you.--It is given unto you to know the mysteries of the kingdom of heaven. We have received, not the spirit of the world, but the Spirit which is of God; that we might know the things that are freely given to us of God. For this cause I bow my knees unto the Father of our Lord …
Anonymous—Daily Light on the Daily Path

May 13. "Abide in Me" (John xv. 4).
"Abide in Me" (John xv. 4). Christianity may mean nothing more than a religious system. Christian life may mean nothing more than an earnest and honest attempt to follow and imitate Christ. Christ life is more than these, and expresses our actual union with the Lord Jesus Christ, and He is undoubtedly in us as the life and source of all our experience and work. This conception of the highest Christian life is at once simpler and sublimer than any other. We do not teach in these pages, that the purpose …
Rev. A. B. Simpson—Days of Heaven Upon Earth

February 25. "I am the vine, Ye are the Branches" (John xv. 5).
"I am the vine, ye are the branches" (John xv. 5). How can I take Christ as my Sanctifier, or Healer? is a question that we are constantly asked. It is necessary first of all that we get into the posture of faith. This has to be done by a definite and voluntary act, and then maintained by a uniform habit. It is just the same as the planting of a tree. You must put it in the soil by a definite act, and then you must let it stay put and remain settled in the ground until the little roots have time …
Rev. A. B. Simpson—Days of Heaven Upon Earth