"The Saviour asked His disciples, who were pressed with poverty, why they were anxious and troubled in regard to what they should eat or how they should be clothed. Said He: “Behold the fowls of the air: for they sow not, neither do they reap, nor gather into barns; yet your heavenly Father feedeth them. Are ye not much better than they?” He pointed to the lovely flowers, formed and tinted by a divine hand, saying: “And why take ye thought for raiment? Consider the lilies of the field, how they grow; they toil not, neither do they spin: and yet I say unto you, That even Solomon in all his glory was not arrayed like one of these. Wherefore, if God so clothe the grass of the field, which today is, and tomorrow is cast into the oven, shall He not much more clothe you, O ye of little faith?” 4T 254.1"
"Behold the fowls of the air: for they sow not, neither do they reap, nor gather into barns; yet your heavenly Father feedeth them. Are ye not much better than they?"
The EGW passage directly quotes and elaborates on Jesus' teachings in Matthew 6:26 regarding God's provision for the birds and the lilies, using it to encourage believers to trust in God's care.
Where is the faith of God's people? Why are they so unbelieving and distrustful of Him who provides for their wants and upholds them by His strength? The Lord will test the faith of His people; He will send rebukes, which will be followed by afflictions if these warnings are not heeded. He will break the fatal lethargy of sin at any cost to those who have departed from their allegiance to Him, and awaken them to their sense of duty. 4T 254.2 My brother, your soul must be quickened and your faith enlarged. You have so long excused yourself in your disobedience on one plea or another that your conscience has been lulled to rest and ceases to remind you of your errors. You have so long followed your own convenience in regard to keeping the Sabbath that your mind has been rendered unimpressible as to your course of disobedience; yet you are none the less responsible, for you have brought yourself into this condition. Begin at once to obey the divine commandments, and trust in God. Provoke …
"For whom the Lord loveth he chasteneth, and scourgeth every son whom he receiveth."
Both passages discuss God's chastening/rebukes as a sign of love and a means of correction.