Do not weep do not wax indignant. Understand.
After a storm comes a calm.
Know or listen to those who know.
Be gentle to all and stern with yourself.
The wise does at once what the fool does at last.
The secret of getting ahead is getting started.
I can, therefore I am.
Never complain and never explain.
The most effective way to do it, is to do it.
If you're going through hell, keep going.
It frequently happens that two persons, reasoning right on a mechanical subject, think alike and invent the same thing without any communication with each other.