Be thine own palace, or the world's thy jail.
By failing to prepare, you are preparing to fail.
Without hard work, nothing grows but weeds.
The dog that trots about finds a bone.
Who seeks shall find.
Be kind whenever possible. It is always possible.
The wise does at once what the fool does at last.
Know or listen to those who know.
If you're going through hell, keep going.
Quality is not an act, it is a habit.
I broke down while at Oxford, was rejected by a record number of medical tribunals during the War, and finally got permission to leave Oxford and do civilian work till the War ended.