It's likely you're thinking of some of his most famous works. Here are a few possibilities:
* "Auld Lang Syne": This nostalgic poem, often sung at New Year's Eve celebrations, is one of Burns' most well-known works.
* "My Love is Like a Red, Red Rose": This beautiful love poem is another popular choice.
* "Tam o' Shanter": A longer narrative poem, "Tam o' Shanter" tells a humorous and spooky story about a man who encounters witches on his way home from the pub.
These are just three examples of Burns' many excellent poems. Other well-known works include:
* "To a Mouse"
* "To a Louse"
* "Address to a Haggis"
* "Scots Wha Hae"
* "Highland Mary"
If you have specific poems in mind, let me know, and I can provide more information about them!