Never complain and never explain.
Problems are not stop signs, they are guidelines.
Either you run the day or the day runs you.
Always desire to learn something useful.
It's always too early to quit.
If you're going through hell, keep going.
If you've got a talent, protect it.
What you do today can improve all your tomorrows.
Do not weep do not wax indignant. Understand.
The wise does at once what the fool does at last.
Let him who would enjoy a good future waste none of his present.
The best thing about the future is that it comes one day at a time.
Lost time is never found again.
Patience and time do more than strength or passion.
The future is something which everyone reaches at the rate of 60 minutes an hour, whatever he does, whoever he is.
If you don't have time to do it right, when will you have time to do it over?
Time is the coin of your life. It is the only coin you have, and only you can determine how it will be spent. Be careful lest you let other people spend it for you.
Time is money.
You may delay, but time will not.
We are time's subjects, and time bids be gone.