I have climbed to the top of the greasy pole!
Nine-tenths of all existing books are nonsense.
Be civil to all; sociable to many; familiar with few.
Nature has given us two ears but only one mouth.
Eloquence is the child of knowledge. When a mind is full, like a wholesome river, it is also clear.
There is a thread in our thoughts as there is a pulse in our feelings; he who can hold the one knows how to think, and he who can move the other knows how to feel.