Some wisdom you must learn from one who's wise.
Though sages may pour out their wisdom's treasure there is no sterner moralist than pleasure.
Irony is the gaiety of reflection and the joy of wisdom.
The only medicine for suffering crime and all other woes of mankind is wisdom. Teach a man to read and write and you have put into his hands the great keys of the wisdom box. But it is quite another thing to open the box.
At sixty I know little more about wisdom than I did at thirty but I know a great deal more about folly.
The most certain sign of wisdom is cheerfulness.
What wisdom can you find that is greater than kindness?
The final wisdom of life requires not the annulment of incongruity but the achievement of serenity within and above it.
If we have built on the fragile cornerstones of human wisdom pride and conditional love things may look good for a while but a weak foundation causes collapse when storms hit.
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool the truest heroism is to resist the doubt and the profoundest wisdom to know when it ought to be resisted and when it be obeyed.