Absence makes the heart grow fonder.
The absent are always (in the) wrong.
Accidents will occur in the best regulated families.
Actions speak louder than words.
Adversity is a great schoolmaster.
Adversity is great schoolmaster.
Adversity makes strange bedfellows.
Advice is cheap.
Advice is least heeded when most needed.
After a storm comes a calm.
After dinner comes the reckoning.
All good thing must come to an end.
All is fair in love and war.
All is well that ends well.
All roads lead to Rome.
To add fuel to the fire.
To add oil to the flames.