Isaiah 41:10 (BSB)

Do not fear, for I am with you; do not be afraid, for I am your God. I will strengthen you; I will surely help you; I will uphold you with My righteous right hand.

From Isaiah 41. Also in the ESV.

Commentary on Isaiah 41:10

• John Calvin (Reformed), Calvin's Commentaries on Isaiah 41:10: 10. Fear not. The former doctrine having had for its aim that the people should rely on God, the Prophet concludes from the numerous blessings by which the Lord manifested his love, that the people ought not to be afraid. And we ought carefully to observe the reason which he assigns — For I am with thee.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Isaiah 41:10-20: The scope of these verses is to silence the fears, and encourage the faith, of the servants of God in their distresses. Perhaps it is intended, in the first place, for the support of God's Israel, in captivity; but all that faithfully serve God through patience and comfort of this scripture may have hope.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Isaiah 41:10: Fear thou not, for I am with thee,.... Not merely by his essence or power, who is every where; or by his providence supporting, preserving, observing, ordering, and overruling all things; but in a way of special grace, to guard and protect his people, support and supply them, comfort and strengthen their hearts; wherefore they need not fear any of their enemies, nor whatsoever they...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Isaiah 41:10: be not dismayed--literally, anxiously to look at one another in dismay. right hand of my righteousness--that is, My right hand prepared in accordance with My righteousness (faithfulness to My promises) to uphold thee.