Sed nescio quo modo nihil tam absurde dici potest quod non dicatur ab aliquo philosphorum. (There is nothing so absurd but some philosopher has said it.)
Friendship is given us by nature, not to favor vice, but to aid virtue.
In anger nothing right nor judicious can be done.
Strain every nerve to gain your point.
Life without learning is death.
Through ignorance of what is good and what is bad, the life of men is greatly perplexed.