Important principles may, and must, be inflexible.
After all is said and done, more is said than done.
United we stand, divided we fall.
It's not that I'm so smart, it's just that I stay with problems longer.
Once we accept our limits, we go beyond them.
Intellectuals solve problems, geniuses prevent them.
Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.
A man should look for what is, and not for what he thinks should be.
Truth has no special time of its own. Its hour is now always.
There are things known and there are things unknown, and in between are the doors of perception.
It is easier to fight for one's principles than to live up to them.
We don't see things as they are, we see them as we are.
The final forming of a person's character lies in their own hands.
In wisdom gathered over time I have found that every experience is a form of exploration.
Courage is the first of human qualities because it is the quality which guarantees the others.
