Be gentle to all and stern with yourself.
Well done is better than well said.
It's always too early to quit.
To know oneself, one should assert oneself.
If you think you can do it, you can.
Things do not happen. Things are made to happen.
What you do today can improve all your tomorrows.
The wise does at once what the fool does at last.
Without hard work, nothing grows but weeds.
After a storm comes a calm.
The reason people find it so hard to be happy is that they always see the past better than it was, the present worse than it is, and the future less resolved than it will be.