To be vain of one's rank or place is to show that one is below it.
Science when well-digested is nothing but good sense and reason.
Conscience warns us as a friend before it punishes us as a judge.
Have the courage to face a difficulty lest it kick you harder than you bargain for.
None are rash when they are not seen by anybody.
When the truth offends no one it should come from our lips as naturally as the air we breathe.