To think on your feet is a popular idiom used in contexts requiring quick decision-making, adaptability, and problem-solving under pressure.

Kill two birds with one stone means achieving two goals with a single effort, making tasks more efficient and rewarding.

A bad apple can spoil the bunch, so can a person with negative attitude, but but only if you let it. So, set boundaries and stay positive!

Every cloud has a silver lining! Even difficult situations can bring something good. Challenges can lead to valuable life lessons.