You can't change the past, but you can ruin the present by worrying about the future.
Psychology must be a guide to practical living.
唯一真正的力量是愛的力量。
The revolution is a long and arduous struggle, but with determination and unity, victory is certain.
革命是一場漫長而艱苦的斗爭，但只要有決心和團結，勝利是必然的。
The temporary can become permanent if it serves people well.
穆里尼奧嘲諷瓜迪奧拉