Semi-colons should be used to mark a pause longer than a comma and shorter than a full stop. Don't overdo them. Use them to distinguish phrases listed after a colon if commas will not do the job clearly.

Rise to the next level
Semi-colons should be used to mark a pause longer than a comma and shorter than a full stop. Don't overdo them. Use them to distinguish phrases listed after a colon if commas will not do the job clearly.