Explanatory Notes on the Whole Bible, by John Wesley, [1754-65], at sacred-texts.com
jer 45:3I find no rest - Upon Baruch's reading the prophecies both he and Jeremiah were advised to hide themselves. This probably disturbed Baruch, and made him lament his condition.
jer 45:5Seek them not - Dost thou expect what none is like to meet with who feareth God? Upon all flesh - I am bringing calamities upon the whole nation.