If we take care of the means, we are bound to reach the end sooner or later. When once we have grasped this point, final victory is beyond question. Whatever difficulties we encounter, whatever apparent reverses we sustain, we may not give up the quest for truth.
Then, without realizing it, you try to improve yourself at the start of each new day; of course, you achieve quite a lot in the course of time. Anyone can do this, it costs nothing and is certainly very helpful. Whoever doesn't know it must learn and find by experience that a quiet conscience makes one strong.
It is so wonderful to our neurologists that a man can see without his eyes, that it does not occur to them that is just as wonderful that he should see with them; and that is ever the difference between the wise and the unwise: the latter wonders at what is unusual, the wise man wonders at the usual.
Wisdom is the only thing which can relieve us from the sway of the passions and the fear of danger, and which can teach us to bear the injuries of fortune itself with moderation, and which shows us all the ways which lead to tranquility and peace.