Sometimes you will never know the value of a moment until it becomes a memory.

Happiness is not an ideal of reason, but of imagination.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

Men become wise just as they become rich, more by what they save than by what they receive.

Experience keeps a dear school, but fools will learn in no other.

Circumstances do not make a man, they reveal him.

Promises are like crying babies in a theater, they should be carried out at once.

Every aquarium will eventually leak.

As our case is new, we must think and act anew.

Life's battles don't always go to the stronger or faster man. But sooner or later, the man who wins is the man who thinks he can.

If you are neutral in situations of injustice, you have chosen the side of the oppressor.

The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

The best revenge is to be unlike him who performed the injury.

Better beggar woman and single than Queen and married.

Great acts are made up of small deeds.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

The greatest deception men suffer is from their own opinions.

Science may set limits to knowledge, but should not set limits to imagination.

It is the mark of an educated mind to be able to entertain a thought without accepting it.