You have the strength from Jesus and the Holy Spirit to fulfill God’s purposes.

“and be strong [chazaq], all you people of the land, says the LORD, and work [asah]; for I am with you, says the LORD of hosts.” (Hag 2:4)
“Finally, my brethren, be strong [endunamoo] in the Lord and in the power [kratos] of His might [ischus].” (Eph 6:10)
“as His divine power [theios dunamis] has given to us all things that pertain to life and godliness, through the knowledge of Him who called us by glory and virtue” (2Pet 1:3)
“and what is the exceeding greatness [huperballo megethos] of His power [dunamis] toward us who believe, according to the working [energeia] of His mighty power [ischus kratos]” (Eph 1:19)
“that He would grant you, according to the riches of His glory, to be strengthened [krataioo] with might [dunamis] through His Spirit in the inner man” (Eph 3:16)
“Now to Him who is able [dunamai] to do exceedingly abundantly above all that we ask or think, according to the power [energeo] that works in us” (Eph 3:20)
“for it is God who works [energeo] in you both to will [thelo] and to do [energeo] for His good pleasure.” (Phil 2:13)
“To this end I also labor, striving according to His working [energeia] which works [energeo] in me mightily [dunamis].” (Col 1:29)
“strengthened [dunamoo] with all might [dunamis], according to His glorious power [doxa kratos], for all patience and longsuffering with joy” (Col 1:11)
“I can do all things through Christ who strengthens [endunamoo] me.” (Phil 4:13)
“But the Lord stood with me and strengthened [endunamoo] me” (2Tim 4:17)
you need it.
“For sin shall not have dominion [kurieuo=lordship over] over you, for you are not under law but under grace.” (Rom 6:14)
“And I thank Christ Jesus our Lord who has enabled [endunamoo] me, because He counted me faithful, putting me into the ministry” (1Tim 1:12)
“You therefore, my son, be strong [endunamoo] in the grace [charis] that is in Christ Jesus.” (2Tim 2:1)
“But truly I am full of power [koach] by the Spirit of the LORD, and of justice and might” (Mic 3:8)
“This is the word of the LORD to Zerubbabel: Not by might [chayil] nor by power [koach], but by My Spirit, says the LORD of hosts.” (Zech 4:6)
“Then Jesus returned in the power [dunamis] of the Spirit to Galilee, and news of Him went out through all the surrounding region.” (Lk 4:14)
“But you shall receive power [dunamis] when the Holy Spirit has come upon you; and you shall be witnesses to Me in Jerusalem, and in all Judea and Samaria, and to the end of the earth.” (Acts 1:8)
“Now may the God of hope fill you with all joy and peace in believing, that you may abound in hope by the power [dunamis] of the Holy Spirit.” (Rom 15:13)
“And my speech and my preaching were not with persuasive words of human wisdom, but in demonstration of the Spirit and of power [dunamis]” (1Cor 2:4)
“For our gospel did not come to you in word only, but also in power [dunamis], and in the Holy Spirit and in much assurance, as you know what kind of men we were among you for your sake.” (1Thes 1:5)
For God has not given us a spirit of fear, but of power [dunamis] and of love and of a sound mind.” (2Tim 1:7)
Reading: Hag 1-2; Zech 1; Heb 2