It is narrated from Hazrat Aisha that whenever the Prophet (peace be upon him) was given a choice between two things in Islam, he (peace be upon him) would choose the easier of the two.
Hadith Referenceمسند احمد / مسند النساء / 24549
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد ضعيف لأجل محمد بن مصعب