glass (having a high lead content) that resists the penetration of X-rays and gamma rays

(idiomatic) To criticize others when one have similar weaknesses oneself.

(figuratively) To focus on the negative aspects of a situation; to adopt a pessimistic attitude towards life in general.

(figuratively) To focus on the positive aspects of a situation; to adopt an optimistic attitude towards life in general.

(historical) A looking-glass specifically designed to give an all round view when preparing one's toilette.

Alternative form of people who live in glass houses shouldn't throw stones

Alternative form of people who live in glass houses shouldn't throw stones

Do not criticize others if you have similar weaknesses yourself.

Alternative form of people who live in glass houses shouldn't throw stones

Alternative form of people who live in glass houses shouldn't throw stones