There are things known and there are things unknown, and in between are the doors of perception.
If you're happy, don't worry you'll get over it.
Great acts are made up of small deeds.
We thought that we had the answers, it was the questions we had wrong.
Experience is merely the name men gave to their mistakes.
Men build too many walls and not enough bridges.
Don't compromise yourself. You are all you've got.
Empty pockets never held anyone back. Only empty heads and empty hearts can do that.
Sometimes you will never know the value of a moment until it becomes a memory.
A proverb is much matter distilled into few words.
Appearances often are deceiving.
There is always time to add a word, never to withdraw one.
You can best serve civilization by being against what usually passes for it.
He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.
To do great things is difficult, but to command great things is more difficult.
What's real and what's true aren't necessarily the same.
To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.
Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.
Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.
He who is slowest in making a promise is most faithful in its performance.
The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.