Change your attitude to the things that bother you and you will be aware of them.
We must press on then, in haste; not simply because every hour brings us nearer to death, but because even before then our powers of perception and comprehension begin to deteriorate.
The best revenge is not to be like your enemy.
The one thing worth living for is to keep one's soul pure.
Each thing is of like form from everlasting and comes round again in its cycle...
Why should we feel anger at the world? As if the world would notice?