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.
To add fuel to the fire.
To add oil to the flames.