每日一句是：

The secret of being miserable is to have leisure to bother about whether you are happy or not.
痛苦的秘密在于有闲功夫担心自己是否幸福。

Notes:
1.miserable
adj. 悲惨的；令人痛苦的；太少的；卑鄙的
常见搭配：
a miserable cold
重感冒
a miserable failure
可悲的失败
a miserable house
简陋的房屋
a miserable performance
糟糕的演出

2.leisure
n. 空闲时间；闲暇；悠闲；安逸
adj. 空闲的；闲暇的
常见搭配：
at leisure
有空, 闲着无事；从从容容地
at one's leisure
当其空闲的时候; 方便时
attend [tarry, stay]upon sb.'s leisure
[古]等到某人有闲空时
wait sb.'s leisure
等待某人有空时

3.bother (oneself) about (=bother one's head about)
为...而操心; 为...而费事
eg.
You needn't bother about coming up, I'll look after him.
你不用来了，我会照料他。