All great achievements require time.

Blessed are they who hunger and thirst for righteousness for they shall be satisfied.

If you don't want to slip up tomorrow, speak the truth today.

Men are not prisoners of fate, but only prisoners of their own minds.

Jealousy is the tribute mediocrity pays to genius.

Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

The greatest of all mistakes is to do nothing because you think you can only do a little

Don't criticize what you can't understand.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

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

He alone is free who lives with free consent under the entire guidance of reason.

One never notices what has been done; one can only see what remains to be done.

To be wronged is nothing unless you continue to remember it.

Those who dance are considered insane by those who cannot hear the music.

Intelligence is a moral category.

Science is organized knowledge. Wisdom is organized life.

Strength does not come from physical capacity. It comes from an indomitable will.

Be realistic: Plan for a miracle

Compassion is the basis of morality.

Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.