A rolling stone gathers no moss.

Do not turn back when you are just at the goal.

If facts are the seeds that later produce knowledge and wisdom, then the emotions and the impressions of the senses are the fertile soil in which the seeds must grow.

While we stop to think, we often miss our opportunity.

Never promise more than you can perform.

Let everything happen to you. Beauty and terror. Just keep going. No feeling is final

Better be ignorant of a matter than half know it.

If I am not for myself, who will be for me? If I am not for others, what am I? And if not now, when?

Nothing is predestined: The obstacles of your past can become the gateways that lead to new beginnings.

I have often regretted my speech, never my silence.

We read the world wrong and say that it deceives us.

Skill to do comes of doing.